Conference Contributions | Publications | Research

	39^th European Photovoltaic Solar Energy Conference & 8th World Conference on Photovoltaic Solar Energy Conversion, 26-30 September 2022, Milan, Italy
	M. Mehler, F. Geml, A. Schmid, A. Zuschlag, G. Hahn Effect of different AlOx passivation layers deposited by APCVD and ALD on LeTID (Preprint)
	F. Geml, B. Gapp, S. Johnson, P. Sutton, A. Goode, J. Booth, H. Plagwitz, G. Hahn Model for contact formation of novel TeO2 containing Pb-free silver paste on n+ and p+ doped crystalline silicon (Preprint)
	J. Simon, A. Herguth, F. Geml, G. Hahn Study on the dissociation of gallium-hydrogen pairs in crystalline silicon during illuminated annealing (Preprint)
	F. Geml, S. Sanz, H. Plagwitz, G. Hahn Influence of AlOx deposition temperature on the passivation mechanism of AlOx/SiNy:H stacks (Preprint)
	A. Schmid, A. Zuschlag, G. Hahn Impact of a renewed SiNx:H passivation layer and/or a renewed firing step on LeTID (Preprint)
	R. Glatthaar, T. Okker, F. Huster, S. Seren, G. Hahn, B. Terheiden APCVD (n) poly-Si passivating contacts on textured and planar surfaces (Preprint)
	A. Herguth Iron quantification in crystalline silicon solar cells from Voc measurements (Preprint)

	12^th Silicon PV Conference, 27-30 March, 2022, Konstanz
	C. Fischer, A. Schmid, A. Herguth, A. Zuschlag, P.P. Altermatt, P. Hamer, G. Hahn Influence of highly doped layers on hydrogen in-diffusion into crystalline silicon Journal
	F. Geml, S. Sanz, D. Wurmbrand, G. Micard, H. Plagwitz, G. Hahn, B. Terheiden On the fixed charges in multifunctional doped APCVD layers for well passivated solar cells (Preprint)
	Y.P. Botchak Mouafi, N. Birkle, M. Driessen, G. Micard, J. Muerter, R. Sorgenfrei, B. Terheiden, C. Weiss Increasing robustness of EpiWafer transfer process leading to carrier lifetimes of 1.6 ms using large scale production feasible substrate wafers (Preprint)
	J. Simon, A. Herguth, G. Hahn Non-cryogenic infrared absorption spectroscopy for direct boron-hydrogen pair quantification (Preprint)
	G. Micard, Y.P. Botchak Mouafi, B. Terheiden Non-destructive spatially resolved characterization of porous silicon layer stacks (Preprint)
	M. Mehler, A. Schmid, M. Trempa, A. Zuschlag, G. Hahn Influence of the addition of aluminum in boron-doped Cz-Si on degradation and regeneration kinetics (Preprint)
	T. Okker, R. Glatthaar, G. Hahn, S. Seren, B. Terheiden Influence of firing temperature on APCVD poly-Si properties for fired passivating contacts (Preprint)
	C. Fischer, A. Zuschlag, G. Hahn Various impacts of firing temperature on crystalline silicon (Preprint)

	38^th European Photovoltaic Solar Energy Conference, 6-10 September 2021, online
	F. Geml, B. Gapp, M. Mehler, S. Sanz Alonso, C. Ebert, J. Booth, P. Sutton, S. Johnson, B. Cela, H. Plagwitz, G. Hahn Novel Ag-paste for simultaneous contacting n+ and p+ emitters through contact-supportive well-passivating doped APCVD layers for PERT and IBC solar cells (Preprint)
	G. Hahn Review of induced degradation phenomena affecting PV modules (Preprint)

38^th European Photovoltaic Solar Energy Conference, 6-10 September 2021, online

F. Geml, B. Gapp, M. Mehler, S. Sanz Alonso, C. Ebert, J. Booth, P. Sutton, S. Johnson, B. Cela, H. Plagwitz, G. Hahn

Novel Ag-paste for simultaneous contacting n+ and p+ emitters through contact-supportive well-passivating doped APCVD layers for PERT and IBC solar cells
(Preprint)

G. Hahn

Review of induced degradation phenomena affecting PV modules
(Preprint)

	11^th Silicon PV Conference, March 27 - April 01, 2021, online
	C. Winter, A. Herguth Contacted resistance measurements for the quantification of boron-hydrogen pairs in crystalline silicon (Preprint)
	A. Herguth, F. Kostrzewa, D. Sperber On the impact of substrate contact resistance in bifacial MIS-type lifetime structures (Preprint)

11^th Silicon PV Conference, March 27 - April 01, 2021, online

C. Winter, A. Herguth

Contacted resistance measurements for the quantification of boron-hydrogen pairs in crystalline silicon
(Preprint)

A. Herguth, F. Kostrzewa, D. Sperber

On the impact of substrate contact resistance in bifacial MIS-type lifetime structures
(Preprint)

	47^th IEEE Photovoltaic Specialists Conference, 15 June - 21 August 2020, online
	A. Herguth Analysis of Current-Voltage Curves of Solar Cells by means of Artificial Neural Networks (Link)

47^th IEEE Photovoltaic Specialists Conference, 15 June - 21 August 2020, online

A. Herguth

Analysis of Current-Voltage Curves of Solar Cells by means of Artificial Neural Networks
(Link)

	37^th European Photovoltaic Solar Energy Conference, 7-12 September 2020, online
	F. Geml, B. Gapp, S. Sanz Alonso, J. Engelhardt, G. Hahn Atmospheric pressure chemical vapor deposited aluminum oxide / silicon nitride stacks for PERC and PERT solar cell concepts with high passivation quality (Preprint)
	F. Geml, J. Engelhardt, B. Gapp, L. Reinalter, G. Hahn Process influences during atmospheric pressure chemical vapor deposition of passivating Si-based doping glasses for PERT solar cell concepts (Preprint)
	C. Fischer, A. Schmid, A. Zuschlag, G. Hahn Effective lifetime variations significant for process evaluation or just an artifact of wafer size and quality? – An attempt to quantify material induced variations (Preprint)
	B. Gapp, F. Geml, J. Engelhardt, G. Hahn A study on the influence of aluminum oxide layer properties on contact formation (Preprint)
	A. Schmid, C. Fischer, D. Skorka, A. Zuschlag, G. Hahn Reducing LeTID with an adjustment of the AlOx-SiNy:H layer system (Preprint)
	T. Pernau, C. Derricks, G. Hahn, L. Helmich, A. Herguth, J. Schmidt, D. Walter Upgrade technologies for silicon photovoltaics. Part I: industrial solution to minimize the negative impact of light induced degradation

	36^th European Photovoltaic Solar Energy Conference, 9-13 September 2019, Marsaille, France
	A. Herguth, A. Graf, G. Hahn On the influence of advection cooling during degradation and regeneration of Boron-Oxygen defects using high intensities (Preprint)
	A. Herguth, C. Derricks, G. Hahn A solution for in-situ spatially resolved intensity measurements in belt furnaces (Preprint)
	J. Fichtner, G. Micard, F. Koschnick, H. Zunft, A. Zuschlag, G. Hahn APCVD based stacked co-diffusion for multicrystalline silicon p-PERT solar cells (Preprint)

36^th European Photovoltaic Solar Energy Conference, 9-13 September 2019, Marsaille, France

A. Herguth, A. Graf, G. Hahn

On the influence of advection cooling during degradation and regeneration of Boron-Oxygen defects using high intensities
(Preprint)

A. Herguth, C. Derricks, G. Hahn

A solution for in-situ spatially resolved intensity measurements in belt furnaces
(Preprint)

J. Fichtner, G. Micard, F. Koschnick, H. Zunft, A. Zuschlag, G. Hahn

APCVD based stacked co-diffusion for multicrystalline silicon p-PERT solar cells
(Preprint)

	46^th IEEE Photovoltaic Specialists Conference, 17-21 September 2019, Chicago, USA
	A. Herguth Simulation Study on the Concept of Lifetime-Equivalent Defect Density in the Context of Light-Induced Degradation (LID) Experiments (Preprint)
	J. Fichtner, H. Zunft, A. Zuschlag, H. Knauss, G. Hahn Gettering efficacy of APCVD based process steps for low cost PERT-type multicrystalline silicon solar cells IEEE Journal of Photovoltaics 8(6), 1464-1469 (2018)

46^th IEEE Photovoltaic Specialists Conference, 17-21 September 2019, Chicago, USA

A. Herguth

Simulation Study on the Concept of Lifetime-Equivalent Defect Density in the Context of Light-Induced Degradation (LID) Experiments
(Preprint)

J. Fichtner, H. Zunft, A. Zuschlag, H. Knauss, G. Hahn

Gettering efficacy of APCVD based process steps for low cost PERT-type
multicrystalline silicon solar cells
IEEE Journal of Photovoltaics 8(6), 1464-1469 (2018)

	9^th Silicon PV Conference, 07-11 April 2019, Leuven, Belgium
	J. Engelhardt, H. Kromer, G. Hahn, B. Terheiden Laser Doping from As-deposited CVD Layers for High-Efficiency Crystalline Silicon Solar Cells AIP Conference Proceedings 2147, 070002 (2019)
	F. Geml, J. Engelhardt, J. Steffens, L. Reinalter, G. Micard, G. Hahn GD-OES Depth Profiling and Calibration of B Doped Dielectric Layers AIP Conference Proceedings 2147, 020003 (2019)
	J. Steffens, J. Rinder, G. Hahn, B. Terheiden Compensation of the Sputter Damage During a-Si Deposition for poly-Si/SiOx Passivating Contacts by Ex-Situ P-Doping AIP Conference Proceedings 2147, 040018 (2019)
	D. Sperber, F. Furtwängler, A. Herguth, G. Hahn Does LeTID Occur in c-Si Even Without a Firing Step? AIP Conference Proceedings 2147, 1400011 (2019)
	A. Graf, A. Herguth, G. Hahn Determination of BO-LID and LeTID Related Activation Energies in Cz-Si and FZ-Si using Constant Injection Conditions AIP Conference Proceedings 2147, 140003 (2019)
	M. Mörtter, J. Engelhardt, G. Hahn, B. Terheiden Investigation of Contact Resistivity on a Laser Doped Boron Emitter from CVD Doping Layers AIP Conference Proceedings 2147, 040013 (2019)
	M. Heilig, J. Engelhardt, G. Hahn, B. Terheiden Comparison of Laser-Doped Emitters from As-Deposited and Thermally Diffused APCVD Doping Glasses on Silicon Substrates AIP Conference Proceedings 2147, 070004 (2019)
	A. Herguth Simulation Study on the Impact of Boron-Oxygen related Light-Induced Degradation in Different Cell Architectures AIP Conference Proceedings 2147, 140004 (2019)
	D. Skorka, A. Zuschlag, G. Hahn Injection Resolved Spatial Lifetime Mapping using Photoluminescence AIP Conference Proceedings 2147, 020015 (2019)

	35th European Photovoltaic Solar Energy Conference, 24-28 September 2018, Brussels, Belgium
	J. Engelhardt, B. Gapp, F. Mutter, G. Hahn, B. Terheiden Well passivating and highly temperature stable aluminum oxide deposited by atmospheric pressure chemical vapor deposition for PERC and PERT solar cell concepts (Preprint)
	A. Schmid, J. Lindroos, A. Zuschlag, D. Skorka, J. Fritz, G. Hahn Influence of low-temperature annealing before firing on LeTID in multicrystalline silicon (Preprint)
	M. Fleck, J. Lindroos, A. Zuschlag, G. Hahn Defect analysis of APCVD gettered multicrystalline silicon (Preprint)
	A. Herguth, C. Derricks, D. Sperber Evidence of rear surface related degradation in Cz-Si PERC-type solar cells (Preprint)
	C. Fischer, J. Lindroos, A. Zuschlag, G. Hahn Gettering and passivation of advanced high performance multicrystalline silicon material (Preprint)
	A. Otaegi, D. Skorka, A. Schmid, A. Zuschlag, J.C. Jimeno, G. Hahn Influence of emitter layers on LeTID kinetics in multicrystalline silicon (Preprint)

	45^th IEEE Photovoltaic Specialists Conference & 7^th World Conference on Photovoltaic Solar Energy Conversion, 10-15 June 2018, Waikoloa, HI, USA
	A. Herguth, C. Derricks, D. Sperber Evidence of rear surface related degradation in Cz-Si-type solar cells (Preprint)
	J. Fichtner, A. Zuschlag, G. Hahn Gettering Efficacy of APCVD-Based Process Steps for Low-Cost PERT-Type Multicrystalline Silicon Solar Cells (Journal Paper)

45^th IEEE Photovoltaic Specialists Conference & 7^th World Conference on Photovoltaic Solar Energy Conversion, 10-15 June 2018, Waikoloa, HI, USA

A. Herguth, C. Derricks, D. Sperber

Evidence of rear surface related degradation in Cz-Si-type solar cells
(Preprint)

J. Fichtner, A. Zuschlag, G. Hahn

Gettering Efficacy of APCVD-Based Process Steps for Low-Cost PERT-Type Multicrystalline Silicon Solar Cells
(Journal Paper)

	8^th Silicon PV Conference, 19-21 March 2018, Lausanne, Switzerland
	J. Fichtner, A. Zuschlag, G. Hahn Gettering efficacy of diffusion processes based on doped APCVD glasses (Journal Paper)
	G. Micard, G. Hahn, B.Terheiden On the optimal doping profile under local metal contacts (Journal Paper)
	J. Steffens, G. Hahn, B. Terheiden Towards a fast determination of the hydrogen concentration in thin passivating a-Si:H layers using GD-OES (Journal Paper)
	C. Derricks, Axel Herguth, G. Hahn, O. Romer, T. Pernau Elimination of BO-LID in mass production using illuminated annealing in a coupled firing and regeneration tool (Journal Paper)
	A. Herguth, B. Hallam A generalized model for boron-oxygen related light induced degradation in crystalline silicon (Journal Paper)
	A. Herguth, P. Keller, N. Mundhaas Influence of temperature on light induced phenomena in multicrystalline silicon (Journal Paper)
	J. Lindroos, A. Zuschlag, J. Carstensen, G. Hahn Light-induced degradation variation in industrial multicrystalline PERC silicon solar cells (Journal Paper)
	D. Skorka, A. Zuschlag, G. Hahn Firing and gettering dependence of effective defect density in material exhibiting LeTID (Journal Paper)
	C. Winter, A. Zuschlag, D. Skorka, G. Hahn Influence of dielectric layers and thermal load on LeTID (Journal Paper)
	P. Keller, A. Herguth Investigation on the influence of illumination on the diffusion of hydrogen into crystalline silicon (Journal Paper)

	33^rd European Photovoltaic Solar Energy Conference, 25-29 September 2017, Amsterdam, The Netherlands
	A. Herguth How to properly assess boron-oxygen related degradation in crystalline silicon (Preprint)
	A. Herguth, C. Derricks, G. Hahn Regeneration of boron-oxygen related degradation in Cz-Si PERC-type solar cells at high temperatures (Preprint)
	C. Fischer, J. Fichtner, A. Zuschlag, G. Hahn Gettering efficacy of APCVD PSG and BSG layers in mc-Si (Preprint)
	J. Fritz, A. Zuschlag, D. Skorka, A. Schmid, G. Hahn Impact of temperature and doping on LETID and regeneration in mc-Si (Preprint)
	D. Sperber, A. Herguth, G. Hahn Investigating possible causes of light induced degradation in boron-doped float-zone silicon (Preprint)
	A. Schmid, A. Zuschlag, D. Skorka, J. Fritz, C. Winter, G. Hahn Influence of different transition metal contaminations on degradation and regeneration in mc-Si (Preprint)

	44^th IEEE Photovoltaic Specialists Conference, 25-30 June 2017, Washington D.C., USA
	D. Sperber, A. Graf, D. Skorka, A. Herguth, G. Hahn Degradation of surface passivation on crystalline silicon and its impact on light induced degradation experiments (Preprint)

44^th IEEE Photovoltaic Specialists Conference, 25-30 June 2017, Washington D.C., USA

D. Sperber, A. Graf, D. Skorka, A. Herguth, G. Hahn

Degradation of surface passivation on crystalline silicon and its impact on light induced degradation experiments
(Preprint)

	7^th SiliconPV Conference, 3-5 April 2017, Freiburg, Germany
	J.M. Fritz, A. Zuschlag, D. Skorka, A. Schmid, G. Hahn Temperature dependent degradation and regeneration of differently doped mc-Si materials (Journal Paper)
	A. Herguth On the meaning (fullness) of the intensity unit ‘suns’ in light induced degradation experiments (Journal Paper)
	A. Herguth, C. Derricks, P. Keller, B. Terheiden Recovery of LeTID by low intensity illumination: Reaction kinetics, completeness and threshold temperature (Journal Paper)
	A. Herguth, S. Wilking CASSANDRA – a tool for analysis and prediction of time resolved BO defect dynamic on lifetime and cell level (Journal Paper)
	G. Micard, D. Sommer, G. Hahn, B. Terheiden Extraction of individual components of series resistance using TCAD simulations meeting the requirements of 2- and 3-dimensional carrier flow of IBC solar cells (Journal Paper)
	J. Lindroos, K. Petter, K. Sporleder, M. Turek, P. Pacho, M. Rinio Light beam induced current of light-induced degradation in high-performance multicrystalline Al-BSF cells (Journal Paper)
	D. Sperber, A. Graf, A. Heilemann, A. Herguth, G. Hahn Bulk and surface instabilities in boron doped float-zone samples during light induced degradation treatments (Journal Paper)
	J. Steffens, H-W. Becker, S. Gerke, S. Joos, G. Hahn, B. Terheiden Replacing NRA by fast GD-OES measurements as input to a model based prediction of hydrogen diffusion in a-Si (Journal Paper)

	32^ndEuropean Photovoltaic Solar Energy Conference, 20-24 June, 2016 Munich, Germany
	B. Albrecht, Y.P. Botchak, F. De Moro, P. Keller, G. Hahn Investigations on laser fired contacting and annealing on RST silicon PERC-type solar cells (Preprint)
	F. Book, H. Knauss, C. Demberger, F. Mutter, G. Hahn Phosphorous doping from APCVD deposited PSG (Preprint)
	J. Engelhardt, S. Fritz, E. Emre, G. Hahn Contact formation on p-doped Si by screen-printing pure Ag pastes for bifacial n-type Si solar cells (Preprint)
	D. Skorka, A. Zuschlag, G. Hahn Spatially resolved degradation and regeneration kinetics in mc-Si (Preprint)
	D. Sperber, F. Furtwängler, A. Herguth, G. Hahn On the stability of dielectric passivation layers under illumination and temperature treatment (Preprint)
	M. Steyer, A. Dastgheib-Shirazi, J. Engelhardt, G. Hahn, B. Terheiden Influence of rear side coating on emitter formation during POCl₃ diffusion process (Preprint)
	S. Wilking, S. Ebert, C. Beckh, A. Herguth, G. Hahn Of apples and oranges: why comparing BO regeneration rates requires injection level correction (Preprint)
	A. Zuschlag, D. Skorka, G. Hahn Degradation and regeneration in mc-Si after different gettering steps (Journal Paper)

	41^th IEEE Photovoltaic Specialists Conference, 5-10 June 2016, Portland, USA

	A. Zuschlag, D. Skorka, G. Hahn Degradation und regeneration analysis in mc Si (Preprint)

41^th IEEE Photovoltaic Specialists Conference, 5-10 June 2016, Portland, USA

A. Zuschlag, D. Skorka, G. Hahn

Degradation und regeneration analysis in mc Si
(Preprint)

	6^th SiliconPV Conference, 07-10 March 2016, Chambéry, France
	A. Dastgheib-Shirazi, J. Rinder, M. Steyer, B. Terheiden, G. Hahn Enhanced oxidation of thermally grown SiO₂ due to P-precipitates (Journal Paper)
	A. Frey, S. Fritz, J. Engelhardt, G. Hahn, B. Terheiden Influence of contact firing conditions on the characteristics of bi-facial n-type silicon solar cells using Ag/Al pastes (Journal Paper)
	S. Fritz, E. Emre, J. Engelhardt, S. Ebert, N. Nowak, J. Booth, G. Hahn Contacting BBr₃-based boron emitters with Al-free screen-printing paste (Journal Paper)
	A. Herguth Finite element simulation of the Local Al/Si contact formation (Journal Paper)
	R. Horbelt, B. Terheiden Surface recombination velocity of local Al-contacts of PERC cells determined from LBIC measurements and 2D Simulation (Journal Paper)
	D. Sperber, A. Herguth, G. Hahn Instability of dielectric surface passivation quality at elevated temperature and illumination (Journal Paper)
	B. Terheiden CVD boron containing glasses - an attractive diffusion source for high quality emitters and simplified processing (Journal Paper)

	31^stEuropean Photovoltaic Solar Energy Conference, 14-18 September 2015, Hamburg, Germany
	J. Engelhardt, A. Frey, S. Fritz, G. Micard, S. Riegel, G. Hahn, B. Terheiden Contact formation on boron doped silicon substrates from passivating PECV-deposited dielectric doping layers with anti-reflective properties by screen-printing Ag pastes for high-efficiency n-type silicon solar cells (Preprint)
	A. Frey, J. Engelhardt, J. Ebser, G. Hahn, B. Terheiden Surface texturing for silicon solar cell application using ICP-PECVD plasma technique (Preprint)
	A. Gorgulla, K. Hagedorn, G. Hahn, B. Terheiden Effects of electrode distance and target angles on elemental concentrations and film properties of Al-doped ZnO films prepared by magnetron co-sputtering (Preprint)
	A. Gorgulla, D. P. Ertel, G. Hahn, B. Terheiden Influence of deposition parameters on elemental concentrations, electrical, and optical properties of magnetron co-sputtered Al-doped ZnO films (Preprint)
	A. Herguth, S. Wilking, R. Horbelt, S. Ebert, C. Beckh, G. Hahn, T. Niewelt, J. Broisch, M. Schubert, W. Warta, F. Wolny Accelerating boron-oxygen related regeneration: lessons learned from the BORNEO project (Preprint)
	S. Riegel, S. Fritz, K. Dressler, A. Herguth, M. König, M. Hörteis, G. Hahn Microscopic thick film contact formation mechanism to p(p⁺) Si and influence of the metal contact on the Si substrate – lessons learned from the KONSENS project (Preprint)
	Y. Schiele, N. Brinkmann, G. Hahn, B. Terheiden Comparison of bifacial and monofacial large-area n-type Si solar cells from 100 μm thin wire-sawn wafers (Preprint)

	42^nd IEEE Photovoltaic Specialists Conference, 14 - 19 June 2015, New Orleans, USA
	Y. Schiele, N. Brinkmann, J. Ebser, R. Horbelt, A. Frey, J. Engelhardt, G. Hahn, B. Terheiden >20% efficient 80 μm thin industrial-type large-area solar cells from 100 μm sawn c-Si wafers (Preprint)

42^nd IEEE Photovoltaic Specialists Conference, 14 - 19 June 2015, New Orleans, USA

Y. Schiele, N. Brinkmann, J. Ebser, R. Horbelt, A. Frey, J. Engelhardt, G. Hahn, B. Terheiden

>20% efficient 80 μm thin industrial-type large-area solar cells from 100 μm sawn c-Si wafers
(Preprint)

	5^thSiliconPV Conference, 23-25 March 2015, Constance, Germany
	B. Albrecht, P. Keller, F. De Moro, G. Hahn Improvement of V_OC for thin RST solar cells by enhanced back side passivation Link zum Journal Paper
	Y.P. Botchak Mouafi, A. Zuschlag, P.-Y. Pichon, A. Schönecker, G. Hahn Efficiencies above 16% on novel quasi-mono RGS material Link zum Journal Paper
	A. Dastgheib-Shirazi, G. Hahn, G. Micard, A. Peral, M. Steyer, H. Wagner Dissolution of electrically inactive phosphorus by low temperature annealing Link zum Journal Paper
	J. Engelhardt, G. Hahn, B. Terheiden Multifunctional ICP-PERC silicon nitride layers for silicon solar cell applications Link zum Journal Paper
	S. Fritz, G. Hahn, A. Herguth, S. Riegel Influence of Si surface orientation on screen-printed Ag/Al contacts Link zum Journal Paper
	S. Gerke, H. Becker, G. Hahn, R. Job, D. Rogalla, B. Terheiden Morphology and hydrogen in passivating amorphous silicon layers Link zum Journal Paper
	A. Gorgulla, D. Ertel, G. Hahn, M. Steyer, B. Terheiden Effect of Al concentration analyzed by ICP-OES on the structural, electrical and optical properties of co-sputtered ZnO:Al Films Link zum Journal Paper
	A. Herguth, G. Hahn, R. Horbelt, R. Job, S. Wilking Comparison of BO regeneration dynamics in PERC and Al BSF solar cells Link zum Journal Paper
	M. Steyer, A. Dastgheib-Shirazi, G. Hahn, B. Terheiden New method for determination of electrically inactive phosphorus in n-type emitters Link zum Journal Paper
	A. Zuschlag, G. Hahn, D. Kohberger 3D-FIB investigation of Cu precipitates in c-Si after high temperature treatments Link zum Journal Paper

	E-MRS Spring Meeting, 11-15 May 2015, Lille, France
	S. Gerke, G. Hahn, R. Job, B. Terheiden Bias-plasma assisted RF magnetron sputter deposition of hydrogen less amorphous silicon Link zum Journal Paper
	S. Gerke, H.W. Becker, D. Rogalla, G. Hahn, R. Job, B. Terheiden About nuclear resonant reaction analysis for hydrogen investigations in amorphous silicon Link zum Journal Paper
	R. Horbelt, G. Hahn, R. Job, B. Terheiden Void formation on PERC solar cells and their impact on the electrical cell parameters verified by luminescence and scanning acoustic microscope measurements Link zum Journal Paper

E-MRS Spring Meeting, 11-15 May 2015, Lille, France

S. Gerke, G. Hahn, R. Job, B. Terheiden

Bias-plasma assisted RF magnetron sputter deposition of hydrogen less amorphous silicon
Link zum Journal Paper

S. Gerke, H.W. Becker, D. Rogalla, G. Hahn, R. Job, B. Terheiden

About nuclear resonant reaction analysis for hydrogen investigations in amorphous silicon
Link zum Journal Paper

R. Horbelt, G. Hahn, R. Job, B. Terheiden

Void formation on PERC solar cells and their impact on the electrical cell parameters verified by luminescence and scanning acoustic microscope measurements
Link zum Journal Paper

	29^th European Photovoltaic Solar Energy Conference, 22-26 September 2014, Amsterdam, The Netherlands
	Y. P. Botchak Mouafi, B. Herzog, G. Hahn Effect of the crucible and its coating on the red zone in multicrystalline silicon – analysis on solar cell level (Preprint)
	J. Ebser, N. Brinkmann, Y. Schiele, A. Herguth, G. Hahn, B. Terheiden p⁺doping analysis of laser fired contacts by Raman spectroscopy (Preprint)
	A. Frey, J. Engelhardt, S. Fritz, S. Gloger, G. Hahn, B. Terheiden n-type bi-facial solar cells with boron emitters from doped PECVD layers (Preprint)
	S. Fritz, S. Riegel, A. Herguth, M. König, M. Hörteis, G. Hahn A phenomenological model for the contact formation of Ag/Al screen-printing pastes through SiN_X:H layers (Preprint)
	S. Gerke, H. Becker, D. Rogalla, G. Hahn, R. Job, B. Terheiden Investigation of hydrogen dependent long-time thermal characteristics of PECV-deposited intrinsic amorphous layers of different morphologies (Preprint)
	A. Gorgulla, N. Brinkmann, D. Skorka, G. Hahn, B. Terheiden Effect of oxygen during thermal annealing on the electrical and optical properties of sputter deposited Al-doped ZnO films for heterojunction solar cell application (Preprint)
	A. Herguth, J. Ebser, D. Sommer, S. Ohl, B. Terheiden, G. Hahn Spatially resolved analysis of selectively doped regions via confocal Raman microscopy (Preprint)
	R. Horbelt, A. Herguth, G. Hahn, R. Job, B. Terheiden Temperature dependence of void formation in PERC cells and their spatially resolved detection by combining scanning acoustic microscopy and electromluminescence measurements (Preprint)
	P. Keller, D. Wood, C. Parfeniuk, G. Beaucarne, G. Cook, P. Mazumder, G. Hahn First solar cell results on novel direct-cast silicon wafers (Preprint)
	G. Micard, G. Hahn Free energy loss analysis decomposition of the power voltage characteristic of an interdigitated back contact colar cell (Preprint)
	Y. Schiele, F. Book, C. Demberger, K. Jiang, G. Hahn Co-diffused APCVD boron rear emitter with selectively etched-back FSF for industrial n-type Si solar cells (Preprint)
	Y. Schiele, G. Hahn, B. Terheiden Contacting and recombination analysis of boron emitters via etch-back for advanced n-type Si solar cells (Preprint)
	D. Sommer, S. Fritz, A. Herguth, S. Ohl, G. Hahn, B. Terheiden Kelvin probe force microscopy (KPFM): investigation of local boron doped emitter regions formed by inkjet boron inks for industrially feasible IBC solar cells (Preprint)
	M. Steyer, A. Dastgheib-Shirazi, G. Micard, H. Wagner, P.P. Altermatt, G. Hahn Influence of the bubbler temperature on PSG and emitter formation during POCl₃ diffusion process (Preprint)
	S. Wilking, J. Engelhardt, S. Ebert, C. Beckh, A. Herguth, G. Hahn High speed regeneration of BO‐defects: improving long‐term solar cell performance within seconds (Preprint)
	S. Lindekugel, B. Terheiden, R. Pavlović, K. Van Nieuwenhuysen, T. Pettersen, E. Astrova, A. Straboni, H. H. Kühnlein, S. Gerke, G. Micard, S. Reber The EU project R2M-Si on roll to module processed crystalline silicon thin-films (Preprint)

	4^th SiliconPV Conference, March 2014, 's-Hertogenbosch, The Netherlands
	J. Engelhardt, A. Frey, L. Mahlstaedt, S. Gloger, G. Hahn, B. Terheiden Boron emitters from doped PECVD layers for n-type crystalline silicon solar cells with LCO Link zum Journal Paper
	S. Joos, Y. Schiele, B. Terheiden, G. Hahn, H.W. Becker, D. Rogalla Fundamental studies of hydrogen at the silicon / silicon nitride interface Link zum Journal Paper
	Y. Schiele, S. Joos, G. Hahn, B. Terheiden Etch-back of p⁺ structures for selective boron emitters in n-type c-Si solar cells Link zum Journal Paper

4^th SiliconPV Conference, March 2014, 's-Hertogenbosch, The Netherlands

J. Engelhardt, A. Frey, L. Mahlstaedt, S. Gloger, G. Hahn, B. Terheiden

Boron emitters from doped PECVD layers for n-type crystalline silicon solar cells with LCO

Link zum Journal Paper

S. Joos, Y. Schiele, B. Terheiden, G. Hahn, H.W. Becker, D. Rogalla

Fundamental studies of hydrogen at the silicon / silicon nitride interface

Link zum Journal Paper

Y. Schiele, S. Joos, G. Hahn, B. Terheiden

Etch-back of p⁺ structures for selective boron emitters in n-type c-Si solar cells

Link zum Journal Paper

	E-MRS Spring Meeting, 26-30 May 2014, Lille, France
	M. Perani, N. Brinkmann, D. Cavalcoli, B. Terheiden Nanocrystalline silicon-oxy-nitride films for photovoltaic applications: electrical, optical and structural properties
	M. Perani, E. di Russo, N. Brinkmann, B. Terheiden, D. Cavalcoli Morphology of multiphase and functional thin films by atomic force microscopy

E-MRS Spring Meeting, 26-30 May 2014, Lille, France

M. Perani, N. Brinkmann, D. Cavalcoli, B. Terheiden

Nanocrystalline silicon-oxy-nitride films for photovoltaic applications: electrical, optical and structural properties

M. Perani, E. di Russo, N. Brinkmann, B. Terheiden, D. Cavalcoli

Morphology of multiphase and functional thin films by atomic force microscopy

	39^th IEEE Photovoltaic Specialists Conference, 16-21 June 2013, Tampa, USA
	S. Braun, R. Nissler, C. Ebert, D. Habermann, G. Hahn High efficiency multi-busbar solar cells and modules (Preprint)
	A. Dastgheib-Shirazi, G. Micard, H. Wagner, M. Steyer, P. Altermatt, G. Hahn Towards an optimized emitter for screen printed solar cells (Preprint)

39^th IEEE Photovoltaic Specialists Conference, 16-21 June 2013, Tampa, USA

S. Braun, R. Nissler, C. Ebert, D. Habermann, G. Hahn

High efficiency multi-busbar solar cells and modules (Preprint)

A. Dastgheib-Shirazi, G. Micard, H. Wagner, M. Steyer, P. Altermatt, G. Hahn

Towards an optimized emitter for screen printed solar cells (Preprint)

	28^th European Photovoltaic Solar Energy Conference, 30 September - 4 October 2013, Paris, France
	Y. P. Botchak Mouafi, T. Lüder, G. Hahn Influence of the SiN_x deposition temperature on the passivation quality of Al₂O₃/SiN_x stacks and the effect of blistering (Preprint)
	S. Braun, R. Nissler, D. Habermann, G. Hahn Highly efficient multi-busbar solar cells with Ag nano-particle front side metallization (Preprint)
	S. Gerke, A. Herguth, N. Brinkmann, G. Hahn, R. Job Evaluation of capacitance-voltage spectroscopy by correlation with minority carrier lifetime measurements of PECVD-deposited intrinsic amorphous layers (Preprint)
	S. Gindner, B. Herzog, G. Hahn Surface passivation study on gettered multicrystalline silicon (Preprint)
	A. Gorgulla, N. Brinkmann, A. Bauer, G. Hahn, B. Terheiden Influence of the electrodes’ distance upon the electrical, optical and structural properties of PECV-deposited hydrogenated amorphous silicon films for heterojunction solar cell application (Preprint)
	A. Herguth, G. Hahn Towards a high throughput solution for boron-oxygen related regeneration (Preprint)
	A. Herguth, S. Braun, G. Hahn, C. Poenisch, R. Nissler Towards non-permanent contacting schemes for busbar-free solar cells (Preprint)
	S. Joos, S. Wilking, Y. Schiele, A. Herguth, U. Heß, S. Seren, B. Terheiden, G. Hahn Hydrogen in stacked dielectric layers (Preprint)
	P. Karzel, M. Ackermann, L. Gröner, C. Reimann, M. Zschorsch, S. Meyer, G. Hahn Hydrogen passivation and phosphorous gettering at different grain boundary types in multicrystalline silicon (Preprint)
	P. Keller, A. Zuschlag, P. Karzel, F. de Moro, G. Hahn Defect characterization and investigation of RST-silicon ribbon wafers (Preprint)
	G. Micard, G. Hahn Discussion and simulation about the evaluation of the emitter series resistance (Preprint)
	J. H. Ranzmeyer, Y. Schiele, G. Hahn, B. Terheiden Electrical and optical analysis of dielectric layers for advanced passivation of BBr₃diffused p⁺ emitters in n-type c-Si solar cells (Preprint)
	Y. Schiele, S. Fahr, S. Joos, G. Hahn, B. Terheiden Study on boron emitter formation by BBr₃diffusion for n-type Si solar cell applications (Preprint)
	D. Skorka, N. Brinkmann, A. Gorgulla, G. Hahn, B. Terheiden Changes in passivation quality of PECVD-deposited hydrogenated amorphous silicon layers used in solar cells due to sputter deposition of TCOs (Preprint)
	S. Wilking, S. Ebert, A. Herguth, G. Hahn Influence of short high temperature steps on the regeneration of boron-oxygen related defects (Preprint)

	E-MRS Fall Meeting, 16-20 September, 2013, Warsaw, Poland
	M. Perani, N. Brinkmann, A. Bauer, D. Cavalcoli, B. Terheiden Microstructural and electrical properties of nanocrystalline silicon-oxy-nitride layers for photovoltaic applications

E-MRS Fall Meeting, 16-20 September, 2013, Warsaw, Poland

M. Perani, N. Brinkmann, A. Bauer, D. Cavalcoli, B. Terheiden

Microstructural and electrical properties of nanocrystalline silicon-oxy-nitride layers for photovoltaic applications

	3^rd SiliconPV Conference, 25-27 March 2013, Hamelin, Germany
	J. Engelhardt, S. Ohl, G. Hahn, B. Terheiden Correlation of stress in silicon nitride layers with their complete removal by laser ablation Link zum Journal Paper
	S. Fritz, S. Riegel, S. Gloger, D. Kohler, M. König, M. Hörtheis, G. Hahn Influence of emitter properties on contact formation to p⁺ silicon Link zum Journal Paper
	A. Dastgheib-Shirazi, M. Steyer, G. Micard, H. Wagner, P. Altermatt, G. Hahn Relationships between diffusion parameters and phosphorus precipitation during the POCl₃ diffusion process Link zum Journal Paper
	P. Keller, J. Junge, F. De Moro, S. Seren, G. Hahn PERC solar cells on below 100 µm thick RST silicon ribbon wafers Link zum Journal Paper
	S. Wilking, A. Herguth, G. Hahn Influence of hydrogenated passivation layers on the regeneration of boron-oxygen related defects Link zum Journal Paper
	Y. Schiele, S. Wilking, F. Book, T. Wiedenmann, G. Hahn Record efficiency of PhosTop solar cells from n-type Cz UMG silicon wafers Link zum Journal Paper
	S. Braun, G. Hahn, R. Nissler, C. Pönisch, D. Habermann Multi-busbar solar cells and modules: high efficiencies and low silver consumption Link zum Journal Paper

	27^th European Photovoltaic Solar Energy Conference, 24-28 September 2012, Frankfurt, Germany
	M. Steyer, A. Dastgheib-Shirazi, H. Wagner, G. Micard, P.P. Altermatt, G. Hahn A study of various methods for the analysis of the phosphosilicate glass layer (Preprint)
	D. Kohler, A. Zuschlag, S. Seren, G. Hahn On the formation of defect clusters in mc silicon solar cells (Preprint)
	E. Emre, S. Braun, G. Hahn The corrosive effects of alkaline nickel-phosphorus plating on crystalline silicon (Preprint)
	D. Sommer, N. Brinkmann, G. Micard, G. Hahn, B. Terheiden Electrical, optical and structural investigation of low-temperature PECV-deposited hydrogenated amorphous silicon-oxynitride films for surface passivation of crystalline silicon solar cells (Preprint)
	B. Terheiden et al. The European project 20Plµs: 20 percent efficiency on less than 100 µm thick industrially feasible crystalline-Si solar cells (Preprint)
	P. Keller, U. Hess, S. Seren, J. Junge, F. de Moro, G. Hahn Over 14% efficiency on RST-ribbon solar cells (Preprint)
	S. Seren, S. Braun, Y. Schiele, G. Hahn, B. Terheiden Nickel plating on p⁺ silicon – a characterization of contact resistivity and line resistance (Preprint)
	G. Micard, A. Dastgheib-Shirazi, M. Steyer, H. Wagner, P. Altermatt, G. Hahn Advances in the understanding of phosphorus silicte glass (PSG) formation for accurate process simulation of phosphorus diffusion (Preprint)

	38^th IEEE Photovoltaic Specialists Conference, 4-8 June, 2012 Austin, USA
	T. Lauermann, B. Fröhlich, G. Hahn, B. Terheiden Design considerations for industrial rear passivated solar cells (Preprint)
	A. Dastgheib-Shirazi, M. Steyer, G. Micard, H. Wagner, P. Altermatt, and G. Hahn Effects of process conditions for the n⁺ emitter formation in crystalline silicon (Preprint)

38^th IEEE Photovoltaic Specialists Conference, 4-8 June, 2012 Austin, USA

T. Lauermann, B. Fröhlich, G. Hahn, B. Terheiden

Design considerations for industrial rear passivated solar cells (Preprint)

A. Dastgheib-Shirazi, M. Steyer, G. Micard, H. Wagner, P. Altermatt, and G. Hahn

Effects of process conditions for the n⁺ emitter formation in crystalline silicon (Preprint)

	2^nd SiliconPV Conference, 3-5 April 2012, Leuven, Belgium
	D. Kiliani, A. Herguth, G. Micard, J. Ebser, G. Hahn Time-resolved photoluminescence imaging with electronic shuttering using an image intensifier unit Link zum Journal Paper
	S. Joos, A. Herguth, U. Hess, J. Ebser, S. Seren, B. Terheiden, G. Hahn Light induced curing (LIC) of passivation layers deposited on native silicon oxide Link zum Journal Paper
	Y. Schiele, F. Book, S. Seren, G. Hahn, B. Terheiden Screen-printed Al-alloyed rear junction solar cell concept applied to very thin (100 µm) large area n-type Si wafers Link zum Journal Paper
	S. Braun, G. Micard, G. Hahn Solar cell improvement by using a multi busbar design as front electrode Link zum Journal Paper
	T. Lüder, T. Lauermann, A. Zuschlag, G. Hahn, B. Terheiden Al₂O₃/SiN_x-stacks at increased temperatures: avoiding blistering during contact firing Link zum Journal Paper

	26^th European Photovoltaic Solar Energy Conference, 4-9 September 2011, Hamburg, Germany
	F. Book, T. Wiedenmann, S. Gloger, B. Raabe, G. Schubert, H. Plagwitz, G. Hahn Analysis of processing steps for industrial large area n-type solar cells with screen printed aluminum-alloyed rear emitter and selective FSF (Preprint)
	S. Gindner, A. Dastgheib-Shirazi, J. Junge, S. Seren, G. Hahn Influence of diffusion parameters on electronic quality of multicrystalline silicon (Preprint)
	A. Herguth, B. Raabe, S. Scholz, G. Hahn, H. Haverkamp, R. Nissler, D. Habermann, C. Buchner, C. Schmid Influence of spectral mismatch, cell reflection properties and IQE on the efficiency measurement (Preprint)
	U. Hess, S. Joos, S. Seren, G. Hahn, T. Weber, P.-Y. Pichon, A. Schönecker First ribbon growth on substrate (RGS) solar cells with selective emitter (Preprint)
	P. Karzel, A. Frey, S. Fritz, G. Hahn Influence of hydrogen on interstitial iron concentration in multicrystalline silicon (Preprint)
	D. Kiliani, G. Micard, A. Herguth, G. Hahn Progress in mechanically shuttered time-resolved photoluminescence imaging of silicon wafers (Preprint)
	D. Kohler, D. Kiliani, B. Raabe, S. Seren, G. Hahn Characterization of defect clusters in compensated silicon solar cells (Preprint)
	T. Lauermann, A. Zuschlag, S. Scholz, G. Hahn, B. Terheiden The influence of contact geometry and sub-contact passivation on the performance of screen-printed Al₂O₃ passivated solar cells (Preprint)
	G. Micard, A. Dastgheib-Shirazi, B. Raabe, G. Hahn Diffusivity analysis of POCl₃ emitter SIMS profiles for semi empirical parametrization in Sentaurus process (Preprint)
	Y. Schiele, G. Hahn, B. Terheiden Investigation of radiation damage to the Al₂O₃ / Si wafer interface during electron beam evaporation by means of C-V and lifetime measurements (Preprint)
	N. Ximello, J. Junge, S. Seren, G. Hahn, E. Epple Up to 20% efficient solar cells on monocrystalline silicon wafers by using a KOH – high boiling alcohol (HBA) texturing solution (Preprint)
	A. Zuschlag, G. Hahn Detection limit of XRF measurements at different synchrotron radiation facilities (Preprint)

	1^st SiliconPV Conference, April 2011, Freiburg, Germany
	F. Book, T. Wiedenmann, G. Schubert, H. Plagwitz, G. Hahn Influence of the front surface passivation quality on large area n-type silicon solar cells with Al-alloyed rear emitter Link zum Journal Paper
	S. Braun, A. Zuschlag, B. Raabe, G. Hahn The origin of background plating Link zum Journal Paper
	J. Junge, A. Herguth, G. Hahn, D. Kreßner-Kiel, R. Zierer Investigation of degradation in solar cells from different mc-Si materials Link zum Journal Paper
	T. Lüder, G. Hahn, B. Terheiden Passivation of Si wafers by Al₂O₃ films with different surface conditioning Link zum Journal Paper
	S. Gloger, N. Brinkmann, B. Terheiden Low surface recombination velocity using amorphous silicon on industrial-type cleaned surfaces Link zum Journal Paper
	S. Riegel, F. Mutter, G. Hahn, B. Terheiden Influence of the dopant on the contact formation to p⁺-type silicon Link zum Journal Paper

	25^th European Photovoltaic Solar Energy Conference & 5^th World Conference on Photovoltaic Solar Energy Conversion, 6-10 September 2010, Valencia, Spain
	G. Micard, S. Seren, G. Hahn Quantitative interpretation of light beam induced current contrast profiles: back side surface influence (Preprint)
	J. Ebser, J. Junge, T. Lüder, S. Seren, B. Terheiden, G. Hahn Al₂O₃ rear surface passivation for silicon ribbon solar cells (Preprint)
	B. Raabe, F. Book, A. Dastgheib-Shirazi, G. Hahn The development of etch-back processes for industrial silicon solar cells (Preprint)
	N. Ximello, A. Dastgeheib-Shirazi, S. Scholz, G. Hahn Influence of pyramid size of chemically textured silicon wafers on the characteristics of industrial solar cells (Preprint)
	S. Graf, J. Junge, S. Seren, G. Hahn Emitter optimization for mono- and multicrystalline silicon: a study of emitter saturation currents (Preprint)
	S. Joos, U. Heß, S. Seren, B. Terheiden, G. Hahn Stacked PECVD backside dielectrics: an option for a firing stable passivation of industrial type screen-printed silicon solar cells (Preprint)
	S. Braun, E. Emre, B. Raabe, G. Hahn Electroless nickel and copper metallization: contact formation on crystalline silicon and background plating behavior on PECVD SiNx:H layers (Preprint)
	T. Lauermann, A. Herguth, S. Scholz, G. Hahn, N. P. Ostrom, B. K. Johnson, W. Jung, H. Haverkamp, C. Schmid Large area solar cells made from degradation-free, low resistivity gallium doped Cz wafers (Preprint)
	S. Gindner, J. Junge, S. Seren, G. Hahn Texturing of string ribbon silicon (Preprint)
	T. Lüder, B. Raabe, B. Terheiden Annealing behavior of Al₂O₃ thin films grown on crystalline silicon by atomic layer deposition (Preprint)
	U. Hess, S. Joos, J. Junge, S. Seren, G. Hahn, T. Weber, P.-Y. Pichon, A. Schönecker Dielectric rear side passivation on ribbon growth on substrate (RGS) solar cells (Preprint)
	S. Riegel, F. Mutter, G. Hahn, B. Terheiden Contact formation in the silver/aluminium thick film firing process - a phenomenological approach (Preprint)
	G. Hahn Status of selective emitter technology (Preprint)
	A. Zuschlag, H Morhenn, J. Bernhard, J. Junge, S. Seren, G. Hahn Microscopic analysis of the influence of solar cell process steps on the recombination activity of extended crystal defects (Preprint)
	F. Book, T. Wiedenmann, A. Dastgheib-Shirazi, B. Raabe, G. Hahn Large area n-type silicon solar cells with selective front surface field and screen printed aluminum-alloyed rear emitter (Preprint)
	D. Kiliani, G. Micard, B. Raabe, G. Hahn Time resolved photoluminescence imaging for carrier lifetime mapping of silicon wafers (Preprint)
	J. Junge, J. Ebser, S. Graf, B. Terheiden, S. Seren, G. Hahn, M. Käs Evaluating the efficiency limits of low cost mc Si materials using advanced solar cell processes (Preprint)
	D. Kohler, D. Kiliani, B. Raabe, S. Seren, G. Hahn Comparison of UMG materials: are ingot height independent solar cell efficiencies possible? (Prepint)
	A. Dastgheib-Shirazi, M. Steyer, J. Junge, S. Gindner, G. Hahn A study of the surface morphology of silicon: effect of parasitic emitter etching on the rear-side performance of silicon solar cells (Preprint)

	35^th IEEE Photovoltaic Specialists Conference, 21-25 June 2010, Hawaii, USA
	F. Book, S. Braun, A. Herguth, A. Dastgheib-Shirazi, B. Raabe, G. Hahn The etchback selective emitter technology and its application to multicrystalline silicon (Preprint)
	T. Lauermann, T. Lüder, S. Scholz, B. Raabe, G. Hahn, B. Terheiden Enabling dieletric rear side passivation for industrial mass production by developing lean printing-based solar cell processes (Preprint)
	A. Zuschlag, S. Ohl, J. Bernhard, H. Morhenn, J. Ebser, J. Junge, S. Seren, G. Hahn µXRF investigations on the influence of solar cell processing steps on iron and copper precipitates in multicrystalline silicon (Preprint)

35^th IEEE Photovoltaic Specialists Conference, 21-25 June 2010, Hawaii, USA

F. Book, S. Braun, A. Herguth, A. Dastgheib-Shirazi, B. Raabe, G. Hahn

The etchback selective emitter technology and its application to multicrystalline silicon (Preprint)

T. Lauermann, T. Lüder, S. Scholz, B. Raabe, G. Hahn, B. Terheiden

Enabling dieletric rear side passivation for industrial mass production by developing lean printing-based solar cell processes (Preprint)

A. Zuschlag, S. Ohl, J. Bernhard, H. Morhenn, J. Ebser, J. Junge, S. Seren, G. Hahn

µXRF investigations on the influence of solar cell processing steps on iron and copper precipitates in multicrystalline silicon (Preprint)

	24^th European Photovoltaic Solar Energy Conference, 21-25 September 2009, Hamburg, Germany
	A. Dastgheib-Shirazi, F. Book, H. Haverkamp, B. Raabe, G. Hahn Investigations of high refractive silicon nitride layers for etched back emitters: enhanced surface passivation for selective emitter concept (SECT) (Preprint)
	A. Herguth, G. Hahn Boron-oxygen related defects in Cz-silicon solar cells degradation, regeneration and beyond (Preprint)
	A. Herguth, G. Hahn Temperature induced degradation of the contact resistance of Ag-screen printed p-type silicon solar cells (Preprint)
	G. Micard, S. Seren, G. Hahn Quantitative interpretation of light beam induced current contrast profiles: evaluating the influence of a near grain boundary (Preprint)
	B. Herzog, G. Hahn, C. Knopf, K. Wambach Studies of compensation behaviour in p-type mc-silicon (Preprint)
	S. Gloger, S. Riegel, B. Raabe, G. Hahn Investigation of the back side passivation layer of screen printed bifacial silicon solar cells (Preprint)
	S. Riegel, B. Raabe, M. P. Stewart, H. Mungekar, P. Borden, B. Terheiden, G. Hahn Thermal stability of PECVD a-Si_{1-_^x}C_x layers for crystalline silicon solar cell passivation (Preprint)
	S. Riegel, S. Golger, B. Raabe, G. Hahn Comparison of the passivation quality of boron and aluminum BSF for wafers of varying thickness (Preprint)
	D. Kohler, B. Raabe, S. Braun, S. Seren, G.Hahn Upgraded metallurgical grade silicon solar cells: a detailed material analysis (Preprint)
	T. Lauermann, A. Dastgheib-Shirazi, F. Book, B. Raabe, G. Hahn, H. Haverkamp, D. Habermann, C. Demberger, C. Schmid InSECT: an inline selective emitter concept with high efficiencies at competitive process costs improved with inkjet masking technology (Preprint)
	T. Lauermann, F. Book, A. Dastgheib-Shirazi, G. Hahn, H. Haverkamp, R. Bleidiessel, M. Fleuster The optimal choice of the doping levels in an inline selective emitter design for screen printed multicrystalline silicon solar cells (Preprint)
	N. Ximello, H. Haverkamp, G. Hahn A new KOH-etch solution to produce a random pyramid texture on monocrystalline silicon at elevated process temperatures and shortened process times (Preprint)
	S. Braun, B. Raabe, D. Kohler, S. Seren, G. Hahn Comparison of buried contact and screen printed 100% UMG solar cells resulting in 16.2% efficiency (Preprint)
	J. Junge, A. Herguth, S. Seren, G. Hahn Reducing the impact of metal impurities in block-cast mc silicon (Preprint)
	P. Karzel, J. Junge, G. Hahn Mapping of hydrogen bond energies in EFG silicon samples by analysis of spatially resolved minority charge carrier lifetimes after annealing steps (Preprint)
	D. Kiliani, A. Herguth, G.Hahn, V. Rutka, M. Junk Fitting of lateral resistances in silicon solar cells to electroluminescence images (Preprint)
	U. Hess, S. Joos, S. Seren, G. Hahn, P.-Y. Pichon, A. Schönecker, T. Weber Infrared microscopy investigation of the crystal structure of ribbon growth on substrate (RGS) solar cells (Preprint)
	A. Zuschlag, J. Junge, S. Seren, G. Hahn Evaluation of processing steps regarding lifetime of iron/copper contaminated mc Si wafers (Preprint)
	R. Pavlovic, A. Dastgheib-Shirazi, F. Book, B. Raabe, G. Hahn Large area solar cells with screen printed front side metallization and dielectric rear side passivation (Preprint) F. Book , A. Dastgheib-Shirazi, B. Raabe, H. Haverkamp, G. Hahn, P. Grabitz Detailed analysis of high sheet resistance emitters for selectively doped silicon solar cells (Preprint)

	23^rd European Photovoltaic Solar Energy Conference, 1-5 September 2008, Valencia, Spain
	G. Micard, S. Seren, G. Hahn Quantitative interpretation of light beam induced current contrast profiles for differing diffusion lenghts on either side of a grain boundary (Preprint)
	S. Scholz, S. Voser, G. Dovids, H. Haverkamp, G. Hahn Development of an in-line capable sputtering process of silicon nitride for crystalline silicon solar cells (Preprint)
	D. Grötschel, J. Junge, M. Käs, A. Zuschlag, G. Hahn Plasma texturing and its influence on surface passivation (Preprint)
	S. Seren, M. Käs, G. Hahn, H. Nagel Shunt detection with illuminated lock-in thermography on inline relevant time scales (Preprint)
	H. Haverkamp, S. Scholz, G. Hahn Screen printed EWT cells: limitations and alternative approaches to the manufacturing process (Preprint)
	G. Micard, G. Hahn, A. Le Donne, S. Binetti, M. Acciarri, S. Pizzini, D. Chrastina, G. Isella Development of nanocrystalline silicon solar cells grown by LEPECVD: optimization of the intrinsic layer for pin structures (Preprint)
	U. Hess, T. Lauermann, S. Seren, G. Hahn, A. Gutjahr, A. Schönecker Impact of the crystal structure on solar cell parameters of ribbon growth on substrate (RGS) solar cells (Preprint)
	G. Hahn, A. Herguth, A. Helfricht, M. Hofmann, W. Warta, N.J.C.M. van der Borg, A.W. Weeber, J. John, G. Beaucarne, S. Bagus, H. Nagel, N. Le Quang, O. Nichiporuk, I. Vincueria, M. Brochs IV measurement of mc-Si solar cells: comparison of results from institute and industry partners within the EU crystalclear project (Preprint)
	S. Riegel, B. Raabe, R. Petres, S. Dixit, L. Zhou, G. Hahn Towards higher efficiencies for crystalline silicon solar cells using SiC layers (Preprint)
	B. Herzog, G. Hahn, M. Hofmann, I. G. Romijn, A. W. Weeber Bulk hydrogenation in mc-Si by PECVD SiN_x deposition using direct and remote plasma (Preprint)
	J. Junge, C. Strümpel, S. Seren, G. Hahn, A. Metz, M. Käs Laser fired contacts for high efficiency solar cells based on EFG materials (Preprint)
	S. Ohl, G. Hahn Increased internal quantum efficiency of encapsulated solar cells using two-component silicone as encapsulant material (Preprint)
	A. Zuschlag, G. Micard, J. Junge, M. Käs, S. Seren, G. Hahn, G. Coletti, G. Jia, W. Seifert Extraction of the surface recombination velocity and diffusion length from LBIC and EBIC measurement at grain boundaries in mc silicon (Preprint)
	F. Book, B. Raabe, G. Hahn Two diffusion step selective emitter: comparison of mask opening by laser or etching paste (Preprint)
	A. Dastgheib-Shirazi, H. Haverkamp, B. Raabe, F. Book, G. Hahn Selective emitter for industrial solar cell production: a wet chemical approach using a single side diffusion process (Preprint)
	C. Strümpel, M. McCann, G. Hahn Influence of hygroscopy on the optical properties of the up-converter BaCl₂:Er³⁺ (Preprint)
	B. Raabe, K. Peter, E. Enabakk, G. Hahn Minority carrier lifetime monitoring in a buried contact solar cell process using mc-Si (Preprint)

	33^rd IEEE Photovoltaic Specialists Conference, 11-16 May 2008, San Diego, USA
	A. Zuschlag, G. Micard, J. Junge, M. Käs, S. Seren, G. Hahn, G. Coletti, G. Jia, W. Seifert Investigations on the recombination activity of grain boundaries in mc silicon (Preprint)
	S. Seren, G. Hahn, C. Demberger, H. Nagel Fast illuminated lock-in thermography: an inline shunt detection measurement tool (Preprint)
	J. Junge, M. Kaes, D. Groetschel, A. Zuschlag, S. Seren, G. Hahn, A. Metz, B. T. Chan, J. John, G. Beaucarne Advanced processing steps for high efficiency solar cells based on EFG material (Preprint)
	Helge Haverkamp, Amir Dastgheib-Shirazi, Bernd Raabe, Felix Book, Giso Hahn Minimizing the electrical losses on the front side: development of a selective emitter process from a single diffusion (Preprint)

	22^nd European Photovoltaic Solar Energy Conference, 3-7 September 2007, Milan, Italy
	A. Herguth, G. Schubert, M. Kaes, G. Hahn Further investigations on the avoidance of boron-oxygen related degradation by means of regeneration (Preprint)
	M. Kaes, G. Hahn, A. Metz, G. Agostinelli, Y. Ma, J. Junge, A. Zuschlag, D. Groetschel Progress in high efficiency processing of EFG silicon solar cells (Preprint)
	S. Ohl, G. Schubert, J. Horzel, G. Hahn Investigations on the influence of a forming gas anneal on the mechanical properties of the printed Ag thick film front side contact of solar cells after cofiring (Preprint)
	T. Buck, A. Helfricht, R. Kopecek, K. Peter, G. Hahn, W. Appel Crystalline Si thin film n-type solar cells: a screen printed rear junction approach (Preprint)
	B. Raabe, H. Haverkamp, F. Book, A. Dastgheib-Shirazi, R. Moll, G. Hahn Monocrystalline silicon – future cell concepts (Preprint)
	S. Seren, M. Kaes, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker Efficiency potential of RGS silicon from current R&D production (Preprint)
	B. Herzog, B. Raabe, G. Hahn Bulk hydrogenation in mc-Si by PECVD SiNx deposition only (Preprint)
	G. Micard, K. Peter, D. Chrastina, G. Isella Conductivity measurement of nanocrystalline silicon thin films grown by LEPECVD for photovoltaic applications (Preprint)

	21^st European Photovoltaic Solar Energy Conference, 4-8 September 2006, Dresden, Germany
	J. Arumughan, B. Raabe, R. Kopecek, T. Pernau, K. Peter Application of BTBAS based silicon nitride in buried contact-screen printed PERTtype bifacial solar cells (Preprint)
	H. Haverkamp, M. J. McCann Screen printed interdigitated back contact solar cells with laser fired contacts (Preprint)
	A. Herguth, G. Schubert, M. Kaes, G. Hahn Avoiding boron-oxygen related degradation in highly boron doped Cz silicon (Preprint)
	B. Herzog, K. Peter Ultra-large 20 x 20 cm₂ mc-Si solar cells: improved cell process resulting in efficiencies exceeding 15 % (Preprint)
	M. Kaes, G. Hahn, A. Metz Progress in hydrogenation of multicrystalline silicon solar cells (Preprint)
	H. Knauss, H. Haverkamp, W. Jooss, S. Steckemetz, H. Nussbaumer Industrially applicable metallisation wrap through solar cell process resulting in efficiencies exceeding 16% (Preprint)
	R. Kopecek, T. Buck, A. Kränzl, J. Libal, K. Peter, A. Schneider, P. Sánchez-Friera, I. Röver, K. Wambach, E. Wefringhaus, P. Fath Module interconnection with alternate p- and n-type Si solar cells (Preprint)
	A. Kränzl, M. Käs, K. Peter, E. Enebakk Future cell concepts for mc solar grade silicon feedstock material (Preprint)
	B. Raabe, J. Arumughan, B. Clark-Phelps, G. Hahn Lifetime monitoring and hydrogen passivation in a buried contact cell process using string ribbon silicon (Preprint)
	S. Seren, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker Ribbon growth on substrate - a roadmap to higher efficiencies (Preprint)
	G. Schubert, J. Horzel, S. Ohl Investigations on the mechanism behind the beneficial effect of a forming gas anneal on solar cells with silver thick film contacts (Preprint)

	4^th World Conference on Photovoltaic Energy Conversion, 7-12 May 2006, Waikoloa, USA
	J. Arumughan, R. Kopecek, T. Pernau, T. Buck, P. Fath, K. Peter Realization of thin mc-silicon PERT-type bifacial solar cells in industrial environments (Preprint)
	T. Buck, R. Kopecek, J. Libal , R. Petres , K. Peter, I. Röver, K. Wambach, L.J. Geerligs, E. Wefringhaus, P. Fath Large area screen printed n-type mc-Si solar cells with B-emitter: efficiencies close to 15% and innovative module interconnection (Preprint)
	G. Hahn, S. Seren, M. Kaes, A. Schönecker, J.P. Kalejs, C. Dubé, A. Grenko, C. Belouet Review on ribbon silicon techniques for cost reduction in PV (Preprint)
	A. Herguth, G. Schubert, M. Kaes, G. Hahn A new approach to prevent the negative impact of the metastable defect in boron doped Cz silicon solar cells (Preprint)
	M. Kaes, G. Hahn, K. Peter, E. Enebakk Over 18% efficient mc-Si solar cells from 100% solar grade silicon feedstock from a metallurgical process route (Preprint)
	R. Kopecek, T. Buck, J. Libal, I. Röver, K. Wambach, L.J. Geerligs, P. Sánchez-Friera, J. Alonso, E. Wefringhaus, P. Fath Large area screen printed n-type silicon solar cells with rear aluminium emitter: efficiencies exceeding 16% (Preprint)
	A. Kränzl, R. Kopecek, K. Peter, P. Fath Bifacial solar cells on multi-crystalline silicon with boron BSF and open rear contact (Preprint)
	M. McCann, B. Raabe, W. Jooss, R. Kopecek, P. Fath 18.1% efficiency for a large area, multi-crystalline silicon solar cell (Preprint)
	R. Petres, J. Libal, T. Buck, R. Kopecek, M. Vetter, R. Ferre, I. Martín, D. Borchert, P. Fath Improvements in the passivation of p⁺-Si surfaces by PECVD silicon carbide films (Preprint)
	S. Seren, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker, A. Grenko, R. Jonczyk Ribbon growth on substrate and molded wafer - two low cost silicon ribbon materials for PV (Preprint)
	C. Strümpel, M. J. McCann, G. Beaucarne, A. Slaoui, C. del Cañizo, I. Tobias Enhancing silicon solar cell efficiency by modifying the solar spectrum (Preprint)

	15^th International Photovoltaic Science & Engineering Conference, 10-15 October 2005, Shanghai, China
	T. Buck, R. Kopecek, J. Libal , I. Röver, K. Wambach, L.J. Geerligs, P. Sánchez-Friera, J. Alonso, P. Fath 14.4 % screen printed n-type mc-Si solar cells with Al back junction on thin large area wafers (Preprint)
	B. Herzog, E. Rüland, P. Fath Ultra-large 20 × 20 cm² multi-crystalline solar cells with spray-on emitter (Preprint)
	A. Kränzl, R. Kopecek, B. Terheiden, P. Fath Bifacial solar cells on multi-crystalline silicon (Preprint)
	R. Kopecek, T. Buck, J. Libal, R. Petres, I. Röver, K. Wambach, R. Kinderman, L. J. Geerligs, P. Fath Large area n-type multicrystalline silicon solar cells with B-emitter: efficiencies exceeding 14% (Preprint)
	J. Libal, R. Petres, R. Kopecek, G. Hahn, M. Vetter, I. Roever, K. Wambach, P. Fath n-type multicrystalline silicon solar cells: PERC design for high efficiency (Preprint)
	R. Petres, J. Libal, R. Kopecek, M. Vetter, R. Ferre, I. Martín, D. Borchert, I. Röver, K. Wambach, P. Fath Passivation of p⁺-surfaces by PECVD silicon carbide films - a promising method for industrial silicon solar cell applications (Preprint)

	20^th European Solar Energy Conference and Exhibition, 6-10 June 2005, Barcelona, Spain
	J. Arumughan, T. Pernau, A. Schneider, R. Kopecek, P. Fath Processing and characterisation of isotropically, alkaline and mechanically textured mc-Si buried contact solar cells: a comparative study (Preprint)
	G. Hahn, I. Melnyk, C. Dubé, A.M. Gabor Development of a chemical surface texture for string ribbon silicon solar cell (Preprint)
	G. Hahn, A. Schönecker, A.R. Burger, R. Ginige, K. Cherkaoui, D. Karg Hydrogen kinetics in crystalline silicon – PECVD SiN studies in mc and Cz silicon (Preprint)
	H. Haverkamp, M. McCann, F. Huster, P. Fath Screen printed low-cost IBC solar cells – preparatory investigations (Preprint)
	F. Huster, G. Schubert ECV doping profile measurements of aluminium alloyed back surface fields (Preprint)
	M. Kaes, G. Hahn, Th. Pernau, A. Metz Towards stable 18% EFG high efficiency solar cells – improved cell process using bulk hydrogenation via PECVD SiN (Preprint)
	H. Knauss, P. Fath, W. Jooss, M. McCann, E. Rüland, S. Steckemetz Large area metallisation wrap through solar cells with thickfilm metallisation (Preprint)
	A. Kränzl, R. Kopecek, K. Peter, A. Schneider, P. Fath Industrial eta=15.5% mc-Si solar cells with boron BSF and open rear contact (Preprint)
	J. Libal, R. Petres, T. Buck, R. Kopecek, G. Hahn, R. Ferre, M. Vetter, I. Martín, K. Wambach, I. Roever, P. Fath n-type multicrystalline silicon solar cells: BBr₃-diffusion and passivation of p⁺-diffused silicon surfaces (Preprint)
	I. Melnyk, E. Wefringhaus, F. Delahaye, G. Vilsmeier, W. Mahler, P. Fath High throughput in-line acidic texturisation and edge isolation: an industrial reality (Preprint)
	M. Mueller, D. Kunz, K. Peter, S. Bastide, R. Tena-Zaera, C. Lévy-Clément, T. H. Bergstrom, E. Enebakk Large area silicon LPE on highly doped silicon substrates and results of related thin film solar cells (Preprint)
	M. McCann, C. Strümpel, H. Knauss, T. Pernau, E. Lemp, P. Fath Angled buried contacts: a front contacting scheme for high efficiency cells with low shading losses (Preprint)
	K. Peter, E. Enebakk, K. Friestad, R. Tronstad, C. Dethloff Investigation of multicrystalline silicon solar cells from solar grade silicon feedstock (Preprint)
	T. Pernau, H. Knauss, H. Haverkamp, A. Kränzl, P. Fath Summary of the BMWi – UKN project on innovative and cost-effective crystalline silicon solar cells with new applications (Preprint)
	B. Raabe, F. Huster, M. McCann, P. Fath High aspect ratio screen printed fingers (Preprint)
	E. Rueland, A. Herguth, A. Trummer, S. Wansleben, P. Fath Optical µ-crack detection in combination with stability testing for in-line-inspection of wafers and cells (Preprint)
	G. Schubert, J. Horzel, R. Kopecek, F. Huster, P. Fath Silver thick film contact formation on lowly doped phosphorous emitters (Preprint)
	S. Seren, G. Hahn, F. Huster, R. Kopecek, A. Gutjahr, A. R. Burgers, A. Schönecker Screen-printed ribbon growth on substrate solar cells exceeding 12% efficiency (Preprint)
	C. Strümpel, M. McCann, C. del Cañizo, I. Tobias, P. Fath Erbium-doped up-converters on silicon solar cells: assessment of the potential (Preprint)
	F. Huster Aluminium-back surface field: bow investigation and elimination (Preprint)
	F. Huster Investigation of the alloying process of screen printed aluminium pastes for the BSF formation on silicon solar cells (Preprint)

	31^st IEEE Photovoltaic Specialists Conference, 3-7 January 2005, Lake Buena Vista, USA
	G. Hahn, D. Karg, A. Schönecker, A.R. Burgers, R. Ginige, K. Cherkaoui Kinetics of hydrogenation and interaction with oxygen in crystalline silicon (Preprint)
	H. Knauss, M. McCann, P. Fath Large area metallization wrap through solar cells using electroless plating (Preprint)
	R. Kopecek, J. Libal, T. Buck, K. Peter, K. Wambach, M. Acciarri, S. Binetti, L. J. Geerligs, P. Fath n-type multicrystalline silicon: material for solar cell processes with high efficiency potential (Preprint)
	J. Libal, R. Petres, R. Kopecek, G. Hahn, K. Wambach, P. Fath n-type multicrystalline silicon solar cells with BBr₃-diffused front junction (Preprint)
	K. Peter, R. Kopecek, T. Pernau, E. Enebakk, K. Friestad, R. Tronstad, C. Dethloff Analysis of multicrystalline solar cells from solar grade silicon feedstock (Preprint)
	A. Schneider, R. Kopecek, G. Hahn, S. Noël, P. Fath Comparison of gettering effects during phosphorus diffusion for one- and double-sided emitters (Preprint)
	S. Seren, G. Hahn, A. Gutjahr, A. R. Burgers, A. Schönecker Screen-printed ribbon growth on substrate solar cells approaching 12% efficiency (Preprint)

	19^th European Solar Energy Conference and Exhibition, 7-11 June 2004, Paris, France
	J. Arumughan, T. Pernau Buried contact solar cell process monitoring using lock-in thermography (Preprint)
	T. Buck, J. Libal, S. Eisert, R. Kopecek, K. Peter, P. Fath, K. Wambach Low cost p⁺nn⁺-type back junction solar cells by screen printing technique on Cz and mc-si material (Preprint)
	G. Hahn, D. Sontag, S. Seren, A. Schönecker, A.R. Burgers, R. Ginige, K. Cherkaoui, D. Karg, H. Charifi Hydrogenation of multicrystalline silicon – the story continues (Preprint)
	G. Hahn, P. Geiger, G. Schubert Influence of BSF thickness and Al-gettering steps on IQE and cell parameters in mc Si solar cells (Preprint)
	A. Hauser, A. Herguth, P. Fath Thick-film buried contact solar cells as a future trend for industrial crystalline silicon solar cells (Preprint)
	A. Hauser, I. Melnyk, E. Wefringhaus, F. Delahaye, G. Vilsmeier, P. Fath Acidic texturisation of mc-Si using a high throughput in-line prototype system with no organic chemistry (Preprint)
	H. Haverkamp, H. Knauss, E. Rueland, P. Fath Advancements in the development of back contact cell manufacturing processes (Preprint)
	F. Huster, S. Seren, G. Schubert, M. Kaes, G. Hahn, O. Breitenstein Shunts in silicon solar cells below screen printed silver contacts (Preprint)
	M. Kaes, S. Seren, T. Pernau, G. Hahn Limolit – a novel thermographic characterisation method for p/n structures and solar cells (Preprint)
	A. Kränzl, R. Kopecek, K. Peter, E. Rüland and P. Fath Low cost mc silicon solar cells with spray-/roll-on emitter (Preprint)
	J. Libal, T. Buck, R. Kopece, P. Fath, K. Wambak, M. Acciarri, S. Binetti, L. J. Geerligs Properties of n-type multicrystalline silicon: lifetime, gettering and H-passivation (Preprint)
	M. McCann, I. Melnyk, E. Wefringhaus, A. Hauser, P. Fath, S. Roberts, T. Bruton, D. Jordan High efficiency buried contact solar cells on multi-crystalline silicon: an industrial reality (Preprint)
	I. Melnyk, E. Wefringhaus, M. McCann, A. Helfricht, A. Hauser, P. Fath Na₂CO₃ as an alternative to NaOH/IPA for texturisation of monocrystalline silicon (Preprint)
	M. Mueller, C. Zahedi, E. Enebakk, D. Kunz, R. Kopecek K. Peter, C. Lévy-Clément, S. Bastide, M. Mamor, T. H. Bergstrom Large area cristalline silicon LPE thin film solar cells (Preprint)
	E. Rueland, S. Recht, S. Wansleben, H. Feist, P. Fath µ-crack detection and other optical characterisation techniques for in-line inspection of wafers and cells (Preprint)
	E. Rueland, B. Herzog, A. Schneider, A. Kränzl, T. Pernau, I. Melnyk, E. Wefringhaus, P. Fath Ultra-large 20x20cm² multi-crystalline solar cells first experiments and limits for industrial solar cell production (Preprint)
	A. Schneider, E. Rueland, A. Kraenzl, P. Fath Mechanical and electrical characterisation of thin multi-crystalline silicon solar cells (Preprint)
	D. Sontag, G. Hahn, A. Schneider Stability test on Cz and tri-silicon wafers with different surface morphologies (Preprint)
	G. Schubert, F. Huster, P. Fath Current transport mechanism in printed Ag thick film contacts to an n-type emitter of a crystalline silicon solar cell (Preprint)
	B. Terheiden, N. Gawehns, M. McCann, C. Strümpel, P. Fath EASY & SIMPLE silicon solar cell concept for concentrated sunlight (Preprint)
	A. W. Weeber, H. Tathgar, F. Huster, L. J. Geerligs, B. Terheiden, M. McCann, P. Fath High-quality mc-Si wafers for high efficiency solar cells (Preprint)

	3^rd World Conference on Photovoltaic Energy Conversion, 11-18 May 2003, Osaka, Japan
	B. Terheiden, P. Fath Highly efficient double side mechanically textured novel silicon solar cell concepts (Preprint)
	T. Buonassisi, O. F. Vyvenko, A. A. Istratov, E. R.Weber, G. Hahn, D. Sontag, J.-P. Rakotoniaina, O. Breitenstein, J. Isenberg, R. Schindler Assessing the role of transition metals in shunting mechanisms using synchrotron-based techniques (Preprint)
	P. Geiger, G. Hahn, P. Fath Record efficiency of 16.7% in EFG ribbon silicon (Preprint)
	G. Hahn, A. M. Gabor 16% efficiency on encapsulated large area screen printed string ribbon cell (Preprint)
	G. Hahn, S. Seren, D. Sontag, A. Gutjahr, L. Laas, A. Schönecker Over 10% efficient screen printed RGS solar cells (Preprint)
	A. Hauser, I. Melnyk, P. Fath, S. Narayanan, S. Roberts, T. M. Bruton A simplified process for isotropic texturing of mc-Si (Preprint)
	M. Mueller, R. Kopecek, P. Fath, C. Zahedi, K. Peter Silicon LPE on substrates from metallurgical silicon feedstock for large scale production (Preprint)
	E. Rüland, P. Fath, T. Pavelka, A. Pap, K. Peter, J. Mizsei Comparative study on emitter sheet resistivity measurements for inline quality control (Preprint)
	A. Schneider, T. Pernau, K. Peter, P. Fath Mechanical wafer stability enhancements and texturing effects of remote downstream plasma etching (Preprint)
	D. Sontag, G. Hahn, P. Fath, E. Bucher, W. Krühler Texturing techniques and resulting solar cell parameters on tri-silicon material (Preprint)

	Conference on PV in Europe from PV Technology to Energy Solutions, 7-11 October 2002, Rome, Italy
	K. Faika, P. Fath Formation of a rectifying p⁺ n⁺-junction using P-paste during Al/P-codiffusion (Preprint)
	T. Pernau, P. Fath Phase-sensitive LBIC analysis
	W. Jooss, B. Fischer, P. Fath, S. Roberts, T.M. Bruton Processing and characterisation of large area buried contact solar cells on multicrystalline silicon with a record efficiency of 17.5 % (Preprint)
	A. Schneider, G. Bühler, F. Huster, K. Peter, P. Fath Impact of individual process steps on the stability of silicon solar cells studied with a simple mechanical stability tester (Preprint)
	G. Schubert, B. Fischer, P. Fath Formation and nature of Ag thick film front contacts on crystalline silicon solar cells (Preprint)

	29^thIEEE Photovoltaic Specialists Conference, 20-24 May 2002, New Orleans, USA
	B. Fischer, M. Keil, P. Fath, E. Bucher Scanning IQE-measurement for accurate current determination on very large area solar cells (Preprint)
	G. Hahn, A. Hauser, A. M. Gabor, M. C. Cretella 15% efficient large area screen printed string ribbon solar cells (Preprint)
	A. Hauser, A. W. Weeber, W. J. Soppe, P. Fath, E. Bucher Comparison of remote and direct plasma silicon nitride (Preprint)
	W. Jooss, W. Neu, K. Faika, H. Knauss, A. Kress, S. Keller, P. Fath, E. Bucher Process and technology development for back contact silicon solar cells (Preprint)
	W. Jooss, P. Fath, E. Bucher, S. Roberts, T.M. Bruton Large area multicrystalline silicon buried contact solar cells with bulk passivation and an efficiency of 17.5% (Preprint)
	T. Pernau, P. Fath, E. Bucher Phase-sensitive LBIC analysis (Preprint)
	A. Schneider, C. Gerhards, P. Fath, E. Bucher, R.J.S. Young, J.A. Raby, A.F. Carroll Bow reducing factors for thin screenprinted mc-Si solar cells with Al BSF (Preprint)
	P. Geiger, G. Kragler, G. Hahn, P. Fath, E. Bucher Spatially resolved lifetimes in EFG and string ribbon silicon after gettering and hydrogenation steps (Preprint)

	17^th European Solar Energy Conference and Exhibition, 22-26 October 2001, Munich, Germany
	A. Hauser, G. Hahn, M. Spiegel, H. Feist, O. Breitenstein, J.P. Rakotoniaina, P. Fath, E. Bucher Comparison of different techniques for edge isolation (Preprint)
	B. Fischer, M. Keil, P. Fath, E. Bucher Simplified RP-PERC process with two high-temperature steps (Preprint)
	B. Terheiden, B. Fischer, P. Fath, E. Bucher Highly efficient mechanically V-textured silicon solar cells applying a novel shallow angle contacting scheme (Preprint)
	T. Pernau, G. Hahn, M. Spiegel, G. Dietsche Bulk hydrogenation of mc silicon materials and solar cells: from research lab to PV-industry (Preprint)
	T. Pernau, M. Spiegel, P. Fath, E. Bucher High-speed and high accuracy IQE and leff-mapping – a tool for advanced quality control in the PV-industry (Preprint)
	W. Neu, S. Keller, P. Fath, E. Bucher Progress in monolithic integrated monocrystalline Si solar cells (Preprint)
	F. Huster, P. Fath, E. Bucher Roller printed mc-Si solar cells with optimized fill factors of 78% (Preprint)
	C. Gerhards, A. Fischer, M. Spiegel, P. Fath, E. Bucher, B. Leifhelm, M. Weck High throughput mechanical structuring system for solar cell wafers (Preprint)
	H. Knauss, W. Jooss, S. Roberts, T.M. Bruton, R. Toelle, P. Fath, E. Bucher Emitter wrap through solar cells using electroless plating metallisation (Preprint)
	A. Schneider, C. Gerhards, F. Huster, W. Neu, M. Spiegel, P. Fath, E. Bucher, R.J.S Young, A.G. Prince, J.A. Raby, A.F. Carroll Al BSF for thin screenprinted multicrystalline Si solar cells (Preprint)
	R. Kopecek, K. Peter, W. Jooss, P. Fath, E. Bucher Novel metallisation method for buried contact silicon solar cells (Preprint)
	R. Kopecek, K. Peter, P. Fath, E. Bucher Epitaxial layers on low cost silicon substrates for industrial scale production (Preprint)
	S. Keller, W. Neu, P. Fath, E. Bucher Quantitative comparison of different geometries for HighVo solar cells (Preprint)
	W. Joos, P. Fath, E. Bucher, S. Roberts, T.M. Bruton Process development for large area buried contact solar cells on multicrystalline silicon (Preprint)
	P. Geiger, G. Kragler, G. Hahn, P. Fath, E. Bucher Lifetime enhancement in string ribbon silicon – a study based on spatially resolved measurements (Preprint)
	P.Geiger, G.Kragler, G.Hahn, P.Fath, E.Bucher Spatially resolved lifetime investigations of Al - and P-gettering in combination with remote hydrogen plasma passivation in EFG ribbon silicon (Preprint)
	D. Sontag, G. Hahn, P. Fath, E. Bucher Investigation of the local minority charge carrier diffusion constants of different silicon materials (Preprint)
	G. Hahn, C. Haessler, M. Langenkamp 12.5% efficient RGS silicon solar cells with carrier collecting channels (Preprint)
	G. Hahn, A. Hauser, A. M. Gabor 14% efficient large area screen printed string ribbon solar cells (Preprint)

	12^th International Photovoltaic Science and Engineering Conference, 11-15 June 2001, Jeju, South-Korea
	K. Peter, R. Kopecek, J. Hoetzel, P. Fath, E. Bucher Thin film silicon solar cells on upgraded metallurgical silicon substrates prepared by liquid phase epitaxy (Journal Paper)
	M. Spiegel, C. Gerhards, F. Huster, W. Jooss, P. Fath, E. Bucher Industrially attractive front contact formation methods for mechanically V-grooved multicrystalline silicon solar cells (Journal Paper)
	A. Hauser, M. Spiegel, P. Fath, E. Bucher Influence of an ammonia activation prior to the PECVD-SiN deposition on the solar cell performance (Journal Paper)
	G. Hahn, P. Geiger, D. Sontag, P. Fath, E. Bucher Influence of hydrogen passivation on majority and minority charge carrier mobilities in ribbon silicon (Journal Paper)
	W. Neu, A. Kress, W. Jooss, P. Fath, E. Bucher Low-cost multicrystalline back-contact siliconsolar cells with screen printed metallization (Journal Paper)
	P. Fath, H. Nussbaumer, R. Burkhardt Industrial manufacturing of semitransparentcrystalline silicon POWER solar cells (Journal Paper)

	28^th IEEE Photovoltaic Specialists Conference, 15-22 September 2000, Anchorage, USA
	A. Hauser, M. Spiegel, P. Fath, E. Bucher Investigations on hydrogen in silicon by means of lifetime measurements (Preprint)
	J. Hoetzel, K. Peter, R. Kopecek, P. Fath, E. Bucher, C Zahedi Characterisation of LPE thin film silicon on low cost silicon substrates (Preprint)
	M. Spiegel, B. Fischer, S. Keller, E. Bucher Separation of bulk diffusion length & back surface recombination velocity by improved IQE-analysis (Preprint)
	B. Terheiden, P. Fath, E. Bucher The MECOR (mechanically corrugated) silicon solar cell concept (Preprint)
	R. Kuehn, P. Fath, E. Bucher Effects of pn-junctions bordering on surfaces investigated by means of 2D-modeling (Preprint)
	A. Kress, R. Tölle, T. Bruton, P. Fath, E. Bucher 10 x 10 cm² screen printed back contact cell with a selective emitter (Preprint)
	G. Hahn, P. Geiger, P. Fath, E. Bucher Hydrogen passivation of ribbon silicon – electronic properties and solar cell results (Preprint)
	K. Faika, M. Wagner, P. Fath, E. Bucher Simplification of EWT (emitter wrap-through) solar cell fabrication using Al-P-codiffusion (Preprint)
	W. Jooss, H. Knauss, F. Huster, P. Fath, E. Bucher R. Tölle, T.M. Bruton Back contact buried contact solar cells with metallization wrap around electrodes (Preprint)
	B. Finckenstein, H. Horst, P. Fath, E. Bucher Thin mc Si low cost solar cells with 15% efficiency (Preprint)
	F. Huster, P. Fath, E. Bucher Roller printed multicrystalline silicon solar cells with 16% efficiency and 25µm Finger width (Preprint)

	16^th European Solar Energy Conference and Exhibition, 1-5 May 2000, Glasgow, UK
	G. Hahn, C. Gerhards, M. Spiegel, C. Zechner, P. Fath, G. Willeke, E. Bucher Overview and results of the EC HEXSI project (Preprint)
	A. Kress, P. Fath, E. Bucher Recent results in low cost back contact solar cells (Preprint)
	A. Kress, T. Pernau, P. Fath, E. Bucher LBIC measurements on low cost back contact solar cells (Preprint)
	O. Schenker, M. Klenk, E. Bucher In situ resistivity measurements of CuGaSe₂ absorbers prepared by rapid thermal processing (Preprint)
	B. Fischer, P. Fath, E. Bucher Evaluation of solar cell j(V)-measurements with a distributed series resistance model (Preprint)
	R. Kopecek, J. Hötzel, S. Volz, K. Peter, E. Bucher Transport properties of silicon layers grown by liquid phase epitaxy (LPE) for photovoltaic applications (Preprint)
	T. Pernau, M. Spiegel, G. Kragler, P. Fath, E.Bucher Hydrogen passivation and silicon nitride depostion using an integrated LPCVD process (Preprint)
	J. Hoetzel, R. Kopecek, S. Volz, K. Peter, P. Fath, E. Bucher Low cost thin film silicon cells on upgraded metallurgical grade (UMG) silicon substrates prepared by liquid phase epitaxy (LPE) (Preprint)
	P. Geiger, G. Hahn, P. Fath, E. Bucher, R. Wallace Characterisation of string ribbon silicon material and solar cells (Preprint)
	P. Geiger, P. Raue, G. Hahn, P. Fath, E. Bucher, E. Buhrig, H.J. Möller Multicrystalline SiGe solar cells with Ge content above 10 at% (Preprint)
	B. von Finkenstein, M. Spiegel, P. Fath and E. Bucher Local back surface field on thin low cost silicon solar cells (Preprint)
	W. Jooss, M.Spiegel, P. Fath, E. Bucher S. Roberts, T.M. Bruton Large area buried contact solar cells on multcrystalline silicon with mechanical front surface texturisation and bulk passivation (Preprint)
	W. Jooss, K. Blaschek, R. Tölle, T.M. Bruton, P. Fath, E. Bucher 17% back contact buried solar cells (Preprint)
	F. Huster, M. Spiegel, P. Fath, E. Bucher Progress of the roller-printing metallization technique towards industrially compatible alternative to screen-printing (Preprint)
	B. Terheiden, G. Hahn, P. Fath, E. Bucher The lamella silicon solar cell (Preprint)
	S. Keller, M. Wagner, S. Scheibenstock, W. Jooss, A. Kress, G. Hahn, P. Fath, E. Bucher Simple mini module fabrication schemes for high voltage crystalline silicon solar cells (Preprint)
	C. Gerhards, A. Fischer, P. Fath, E. Bucher Mechanical microtexturisation for microcrystalline Si solar cells (Preprint)
	K. Faika, R. Kühn, P. Fath, E. Bucher Novel techniques to prevent edge isolation of silicon solar cells by avoiding leakage currents between the emitter and the aluminium-rear-contact (Preprint)
	M. Klenk, O. Schenker, V. Alberts, E. Bucher X-ray fluorescence investigation of the material loss from chacopyrite absorbers prepared by two processes (Preprint)

	11^th International Photovoltaic Science and Engineering Conference, 20-24 September 1999, Hokkaido, Japan
	C. Zechner, B. Damiani, B. Terheiden Single diffusion selective emitter on mechnaically textured Si solar cells with plateaus and screen-printed metallisation
	A. Boueke, R. Kuehn, P. Fath, G. Willeke, E. Bucher Latest resutls of semitransparent power silicon solar cells
	S. Keller, S. Scheibenstock, P. Fath, G. Willeke, E. Bucher Progress in monolithic series connection of wafer based crystalline silicon solar cells by the novel 'HighVo' (high voltage) cell concept
	A. Kress, P. Fath, G. Willeke, E. Bucher Low cost back contact silicon solar cells

	2^nd World Conference on Photovoltaic Solar Energy, 6-10 July 1998, Vienna, Austria
	V. Alberts, J.H. Schön, O. Schenker, E. Bucher Material properties and growth of CuInSe₂ and its alloys prepared by various selenization processes
	M. Klenk, O. Schenker, F. Raiser, K. Friemelt, E. Bucher CuGaSe₂ based thin film solar cells fabricated by rapid thermal processing (Preprint)
	V. Alberts, S. Zweigart, J.H. Schön, H.W. Schock, E. Bucher Material properties of Cu(In,Ga)Se₂ thin films prepared by low cost, fast processing techniques
	F. Duerinckx, J. Szlufcik, J. Nijs, R. Mertens, C. Marckmann, P. Fath, G. Willeke High efficency, mechanically V-textured, screen printed multicrystalline silicon solar cells with silicon nitride passivation
	B. Bitnar, R. Glatthaar, C. Marckmann, M. Spiegel, R. Tölle, P. Fath, G. Willeke, E. Bucher Lifetime investigations on screenprinted silicon solar cells (Preprint)
	R. Kühn, R. Boueke, M. Wibral, R. Zechner, P. Fath, G. Willeke, E. Bucher Investigation of the effect of p/n-junctions bordering on the surface of silicon solar cells (Preprint)
	M. Spiegel, H. Nussbaumer, M. Roy, F. Ferrazza, S. Narayanan, P. Fath, G. Willeke, E. Bucher Successful implemenatation of the microwace induced remote hydrogen plasma passivation in a standard multicrystalline silicon solar cell production line (Preprint)
	A. Kress, P. Fath, G. Willeke, E. Bucher Low-cost back contact silicon solar cells applying the emitter-wrap through (EWT) concept
	A. Schönecker, A.W. Weber, W.C. Sinke, C. Zechner, A .Kress, P. Fath Attacking limiting factors in 10x10cm² multicrystalline silicon; emitter-wrap through solar cells design and processing
	M. Spiegel, G. Hahn, W. Jooss, S. Keller, P. Fath, G. Willeke, E. Bucher Investigation of hydrogen diffusion; effusion and passivation in solar cells using different multicrystalline silicon base materials (Preprint)
	W. Jooss, G. Hahn, P. Fath, G. Willeke, E. Bucher Improvement of diffusion lenghts in multicrystalline Si by P-Al co-gettering during solar cell processing (Preprint)
	C. Zechner, G. Willeke, E. Bucher Light trapping in silicon solar cells with a mechanically formed blazed surface texture
	A. Boueke, R. Kühn, M. Wibral, P. Fath, G. Willeke, E. Bucher Progress in semitransparent crystalline silicon solar cells (Preprint)
	C. Gerhards, F. Huster, M. Spiegel, C. Marckmann, P. Fath, G. Willeke, E. Bucher, J. Creager, S. Narayanan Progress in machine and tool development towards the implementation of the mechanical texturization in a cr Si solar cell production line (Preprint)
	G. Hahn, C. Zechner, M. Spiegel, W. Joos, P. Fath, G. Willeke, E. Bucher Mechanical texturization and hydrogen passivation of RGS (ribbon growth on substrates) silicon solar cells (Preprint)
	R. Kühn, A. Boueke, M. Wibral, M. Spiegel, P. Fath, G. Willeke, E. Bucher 11% semitransparent bifacially active power crystalline silicon solar cell (Preprint)

	26^th IEEE Photovoltaic Specialists Conference, 30 September - 03 October 1997, Anaheim, CA, USA
	B. Terheiden, R. Kühn, C. Zechner, P. Fath, G. Willeke, E. Bucher Progress on the LOPE (local point contact and shallow angle evaporation) silicon solar cell
	G. Hahn, W. Jooss, M. Spiegel, P. Fath, G. Willeke, E. Bucher Improvement of mc Si solar cells by Al-gettering and hydrogen passivation (Preprint)
	C. Gerhards, C. Marckmann, R. Tölle, M. Spiegel, P. Fath, G. Willeke, E. Bucher Mechanically V-textured low cost multicrystalline silicon solar cells with a novel printing metallization
	M. Spiegel, R. Tölle, C. Gerhards, C. Marckmann, H. Nussbaumer, P. Fath, G. Willeke, E. Bucher Implementation of hydrogen passivation in an industrial low-cost multicrystalline silicon solar cell process
	C. Zechner, G. Hahn, W. Jooss, M. Wibral, B. Bitnar, S. Keller, M. Spiegel, P. Fath, G. Willeke, E. Bucher Systematic study towards high efficiency multicrystalline silicon solar cells with mechanical surface texturization

	14^th European Photovoltaic Solar Energy Conference , Barcelona, Spain 30 June - 4 July 1997
	C. Zecher, P. Fath, G. Willeke, E. Bucher Numerical simulation studies of mechanically textured high efficiency silicon solar cells
	P. Fath, C. Zecher, B. Terheiden, A. Boueke, C. Marckmann, C. Gerhards, R. Tölle, M. Spiegel, G. Willeke, E. Bucher Processing; characerisation and simulation of advanced mechanically textured mono- and multicrystalline silicon solar cells
	S. Keller, C. Zecher, M. Spiegel, A. Boueke, B. Terheiden, P. Fath, G. Willeke, E. Bucher Quantum efficency simulation and analysis of crystalline silicon solar cells by two dimensional device modeling (Preprint)
	G. Hahn, M. Spiegel, S. Keller, A. Boueke, P. Fath, G. Willeke, E. Bucher Characterisation of RGS (ribbon growth on substrate) silicon material and solar cells (Preprint)
	R. Kühn, P. Fath, M. Spiegel, G. Willeke, E. Bucher, T.M. Bruton, N.B. Mason, R. Russel Multicrystalline buried contact solar cells using a new eletroless plating metallization sequence and a high throughput mechanical groove formation
	M. Spiegel, S. Keller, P. Fath, G. Willeke, E. Bucher Microwave induced remote plasma (MIRHP) passivation of solar cells using different silicon base materials (Preprint)
	H. Nussbaumer, V.R. Nacci, G. Ginocchietti, C. Bucci, F. Ferrazza, C. Marckmann, C. Gerhards, R. Tölle, P. Fath, G. Willeke Progress in industrial scale produced mechanically V-grooved multicrystalline silicon solar cells
	O. Schenker, J.H. Schön, F. Raiser, K. Friemelt, E. Bucher, V. Alberts Fabrication of CuGaSe₂ thin film solar cells using rapid thermal processing
	J. Hötzel, K. Peter, G. Willeke, E. Bucher Crystalline silicon solar cells prepared by a rapid liquid phase epitaxy (RLPE) growth technique
	B. Terheiden, P. Fath, G. Willeke, E. Bucher LOPE (local point contact and shallow angle evaporation) silicon solar cells (Preprint)
	J.H. Schön, K. Friemelt, H. Riazi-Nejad, Ch. Kloc, E. Bucher Annealing effects on the performance of CuGaSe₂ single crystal solar cell
	B. Bitnar, R. Glatthaar, S. Keller, J. Kugler, M. Spiegel, P. Fath, G. Willeke, E. Bucher Investigation of the passivation properties of PECVD-silicon-nitride layers on silicon solar cells (Preprint)
	R. Henschel, C. Zechner, G. Kragler, G. Willeke, E. Bucher Double layer SIPOS/µc-Si/c-Si heterojunction solar cells

M. Mehler, F. Geml, A. Schmid, A. Zuschlag, G. Hahn

F. Geml, B. Gapp, S. Johnson, P. Sutton, A. Goode, J. Booth, H. Plagwitz, G. Hahn

J. Simon, A. Herguth, F. Geml, G. Hahn

F. Geml, S. Sanz, H. Plagwitz, G. Hahn

A. Schmid, A. Zuschlag, G. Hahn

R. Glatthaar, T. Okker, F. Huster, S. Seren, G. Hahn, B. Terheiden

A. Herguth

C. Fischer, A. Schmid, A. Herguth, A. Zuschlag, P.P. Altermatt, P. Hamer, G. Hahn

F. Geml, S. Sanz, D. Wurmbrand, G. Micard, H. Plagwitz, G. Hahn, B. Terheiden

Y.P. Botchak Mouafi, N. Birkle, M. Driessen, G. Micard, J. Muerter, R. Sorgenfrei, B. Terheiden, C. Weiss

J. Simon, A. Herguth, G. Hahn

G. Micard, Y.P. Botchak Mouafi, B. Terheiden

M. Mehler, A. Schmid, M. Trempa, A. Zuschlag, G. Hahn

T. Okker, R. Glatthaar, G. Hahn, S. Seren, B. Terheiden

C. Fischer, A. Zuschlag, G. Hahn

F. Geml, B. Gapp, M. Mehler, S. Sanz Alonso, C. Ebert, J. Booth, P. Sutton, S. Johnson, B. Cela, H. Plagwitz, G. Hahn

G. Hahn

C. Winter, A. Herguth

A. Herguth, F. Kostrzewa, D. Sperber

A. Herguth

F. Geml, B. Gapp, S. Sanz Alonso, J. Engelhardt, G. Hahn

F. Geml, J. Engelhardt, B. Gapp, L. Reinalter, G. Hahn

C. Fischer, A. Schmid, A. Zuschlag, G. Hahn

B. Gapp, F. Geml, J. Engelhardt, G. Hahn

A. Schmid, C. Fischer, D. Skorka, A. Zuschlag, G. Hahn

T. Pernau, C. Derricks, G. Hahn, L. Helmich, A. Herguth, J. Schmidt, D. Walter

A. Herguth, A. Graf, G. Hahn

A. Herguth, C. Derricks, G. Hahn

J. Fichtner, G. Micard, F. Koschnick, H. Zunft, A. Zuschlag, G. Hahn

A. Herguth

J. Fichtner, H. Zunft, A. Zuschlag, H. Knauss, G. Hahn

J. Engelhardt, H. Kromer, G. Hahn, B. Terheiden

F. Geml, J. Engelhardt, J. Steffens, L. Reinalter, G. Micard, G. Hahn

J. Steffens, J. Rinder, G. Hahn, B. Terheiden

D. Sperber, F. Furtwängler, A. Herguth, G. Hahn

A. Graf, A. Herguth, G. Hahn

M. Mörtter, J. Engelhardt, G. Hahn, B. Terheiden

M. Heilig, J. Engelhardt, G. Hahn, B. Terheiden

A. Herguth

D. Skorka, A. Zuschlag, G. Hahn

J. Engelhardt, B. Gapp, F. Mutter, G. Hahn, B. Terheiden

A. Schmid, J. Lindroos, A. Zuschlag, D. Skorka, J. Fritz, G. HahnInfluence of low-temperature annealing before firing on LeTID in multicrystalline silicon(Preprint)

M. Fleck, J. Lindroos, A. Zuschlag, G. Hahn

A. Herguth, C. Derricks, D. SperberEvidence of rear surface related degradation in Cz-Si PERC-type solar cells

C. Fischer, J. Lindroos, A. Zuschlag, G. Hahn

A. Otaegi, D. Skorka, A. Schmid, A. Zuschlag, J.C. Jimeno, G. HahnInfluence of emitter layers on LeTID kinetics in multicrystalline silicon(Preprint)

A. Herguth, C. Derricks, D. Sperber

J. Fichtner, A. Zuschlag, G. Hahn

J. Fichtner, A. Zuschlag, G. Hahn

G. Micard, G. Hahn, B.Terheiden

J. Steffens, G. Hahn, B. Terheiden

C. Derricks, Axel Herguth, G. Hahn, O. Romer, T. Pernau

A. Herguth, B. Hallam

A. Herguth, P. Keller, N. Mundhaas

J. Lindroos, A. Zuschlag, J. Carstensen, G. Hahn

D. Skorka, A. Zuschlag, G. Hahn

C. Winter, A. Zuschlag, D. Skorka, G. Hahn

P. Keller, A. Herguth

A. Herguth

A. Herguth, C. Derricks, G. Hahn

C. Fischer, J. Fichtner, A. Zuschlag, G. Hahn

J. Fritz, A. Zuschlag, D. Skorka, A. Schmid, G. Hahn

D. Sperber, A. Herguth, G. Hahn

A. Schmid, A. Zuschlag, D. Skorka, J. Fritz, C. Winter, G. Hahn

D. Sperber, A. Graf, D. Skorka, A. Herguth, G. Hahn

Degradation of surface passivation on crystalline silicon and its impact on light induced degradation experiments(Preprint)

J.M. Fritz, A. Zuschlag, D. Skorka, A. Schmid, G. Hahn

A. Herguth

A. Herguth, C. Derricks, P. Keller, B. Terheiden

A. Herguth, S. Wilking

G. Micard, D. Sommer, G. Hahn, B. Terheiden

J. Lindroos, K. Petter, K. Sporleder, M. Turek, P. Pacho, M. Rinio

D. Sperber, A. Graf, A. Heilemann, A. Herguth, G. Hahn

J. Steffens, H-W. Becker, S. Gerke, S. Joos, G. Hahn, B. Terheiden

B. Albrecht, Y.P. Botchak, F. De Moro, P. Keller, G. Hahn

Investigations on laser fired contacting and annealing on RST silicon PERC-type solar cells(Preprint)

F. Book, H. Knauss, C. Demberger, F. Mutter, G. HahnPhosphorous doping from APCVD deposited PSG(Preprint)

J. Engelhardt, S. Fritz, E. Emre, G. Hahn

Contact formation on p-doped Si by screen-printing pure Ag pastes for bifacial n-type Si solar cells(Preprint)

D. Skorka, A. Zuschlag, G. HahnSpatially resolved degradation and regeneration kinetics in mc-Si(Preprint)

A. Schmid, J. Lindroos, A. Zuschlag, D. Skorka, J. Fritz, G. Hahn
Influence of low-temperature annealing before firing on LeTID in multicrystalline silicon
(Preprint)

A. Herguth, C. Derricks, D. Sperber
Evidence of rear surface related degradation in Cz-Si PERC-type solar cells

A. Otaegi, D. Skorka, A. Schmid, A. Zuschlag, J.C. Jimeno, G. Hahn
Influence of emitter layers on LeTID kinetics in multicrystalline silicon
(Preprint)

Degradation of surface passivation on crystalline silicon and its impact on light induced degradation experiments
(Preprint)

Investigations on laser fired contacting and annealing on RST silicon PERC-type solar cells
(Preprint)

F. Book, H. Knauss, C. Demberger, F. Mutter, G. Hahn
Phosphorous doping from APCVD deposited PSG
(Preprint)

Contact formation on p-doped Si by screen-printing pure Ag pastes for bifacial n-type Si solar cells
(Preprint)

D. Skorka, A. Zuschlag, G. Hahn
Spatially resolved degradation and regeneration kinetics in mc-Si
(Preprint)

A. Gorgulla, D. P. Ertel, G. Hahn, B. Terheiden
Influence of deposition parameters on elemental concentrations, electrical, and optical properties of magnetron co-sputtered Al-doped ZnO films
(Preprint)

Dissolution of electrically inactive phosphorus by low temperature annealing
Link zum Journal Paper

Effect of Al concentration analyzed by ICP-OES on the structural, electrical and optical properties of co-sputtered ZnO:Al Films
Link zum Journal Paper

Effect of the crucible and its coating on the red zone in multicrystalline silicon – analysis on solar cell level
(Preprint)

J. Ebser, N. Brinkmann, Y. Schiele, A. Herguth, G. Hahn, B. Terheiden
p⁺doping analysis of laser fired contacts by Raman spectroscopy

A phenomenological model for the contact formation of Ag/Al screen-printing pastes through SiN_X:H layers
(Preprint)