Publications

Schultz-Wittmann, A. Turner, B. Eggleston, D. de Ceuster, D. Suwito, E. van Kerschaver, S. Baker-Finch, V. Prajapati , High Volume Manufacturing of High Efficiency Crystalline Silicon Solar Cells with Shielded Metal Contacts, Proceedings of the 32nd European Photovoltaic Solar Energy Conference, Munich, Germany, p.456-459 (2016)

Schultz-Wittmann, D. De Ceuster, A. Turner, D. Crafts, R. Ong, D. Suwito, B. Eggleston, V. Prajapati, A. Kleiman, K. Bhatt, High-Efficiency Solar Cells from n-Type Cz Silicon, Proceedings of the 28th European Photovoltaic Solar Energy Conference, Paris, France, p.1104-1007 (2013)

Schultz-Wittmann, D. De Ceuster, A. Turner, D. Crafts, R. Ong, D. Suwito, L. Pavani, B. Eggleston, Fine Line Copper Based Metallization for High Efficiency Crystalline Silicon Solar Cells, Proceedings of the 27th European Photovoltaic Solar Energy Conference, Frankfurt, Germany, p.596-599 (2012)

O.Schultz, A. Mette, S.W. Glunz, Thermal Oxidation for Crystalline Silicon Solar Cells Exceeding 19% Efficiency applying Industrially Feasible Technology, Progress in Photovoltaics: Research and Application 16, 1-8 (2008)

Jan Benick, Oliver Schultz-Wittmann, Jonas Schön, Stefan W. Glunz

Surface passivation schemes for high-efficiency n-type Si solar cells, physica status solidi      (RRL) - Rapid Research Letters 2, 145-147 (2008)

Hermle, F. Granek, O. Schultz, S.W. Glunz , Analyzing the effects of front-surface   fields on back-junction silicon solar cells using the charge collection probability and the reciprocity theorem, Journal of Applied Physics 103,054507 (2008)

Granek M. Hermle, D. Huljic, O. Schultz-Wittmann, S.W. Glunz, Enhanced lateral current transport via the front surface field of n-type high-efficiency back-junction back- contact silicon solar cells, Progress in Photovoltaics: Research and Application (2008, DOI: 10.1002/pip.862)

Benick, B. Hoex, M.C.M. van de Sanden, W.M.M. Kessels, O. Schultz, S.W. Glunz, High efficiency n-type Si solar cells on Al2O3-passivated boron emitters, Applied Physics Letters 92(25) Art-No 253504 (2008)

Benick, B. Hoex. O. Schultz, and S.W. Glunz, Surface passivation of boron doped emitters for high-efficiency solar cells, Proceedings of the 33rd IEEE Photovoltaic Specialists Conference, San Diego, California, USA, doi: 10.1109/PVSC.2008.4922637 (2008)

S.W. Glunz, M. Aleman, J. Bartsch, N. Bay, K. Bayer, R. Bergander, A. Filipovic, S. Greil, A. Grohe, M. Hoerteis, A. Knorz, M. MEnkoe, A. Mette, D. Pysch, V. Radtke, P. Richter, D. Rudolph, T. Rublack, C. Schetter, D. Schmidt, O. Schultz, R. Woehl, Progress in advanced metallization technology at Fraunhofer ISE, Proceedings of the 33rd IEEE Photovoltaic Specialists Conference, San Diego, California, USA, doi: 10.1109/PVSC.2008.4922746 (2008)

Granek, M. Hermle, C. Reichel, A. Grohe, O. Schultz-Wittmann, S.W. Glunz, Positive effects of front surface field in high-efficiency back-contact back-junction n-type silicon solar cells, Proceedings of the 33rd IEEE Photovoltaic Specialists Conference, San Diego, California, USA, doi: 10.1109/PVSC.2008.4922759 (2008)

Hermle, F. Granek, O. Schultz-Wittmann, S.W. Glunz, Shading effects in back-junction back-contacted silicon solar cells, Proceedings of the 33rd IEEE Photovoltaic Specialists Conference, San Diego, California, USA, doi: 10.1109/PVSC.2008.4922761 (2008)

Löper, J.C. Goldschmidt, S. Fischer, M. Peters, A. Meijerink, D. Biner, K. Krämer, O. Schultz-Wittmann, S.W. Glunz, J. Luther, Upconversion for Silicon Solar Cells: Material and System Characterization, Proceedings of the 23rd European Photovoltaic Solar Energy Conference, Valencia, Spain, p. 173-180 (2008)

Benick, O. Schultz-Wittmann, J. Schoen, S.W. Glunz, Passivation of boron emitters by local overcompensation with phosphorus, Proceedings of the 23rd European Photovoltaic Solar Energy Conference, Valencia, Spain, p. 1550-1552 (2008)

Reichel, F. Granek, J. Benick, O. Schultz-Wittmann, S.W. Glunz, Comparison of emitter saturation current densities determined by quasi-steady-state photoconductance measurements of effective carrier lifetimes at high and low injections, Proceedings of the 23rd European Photovoltaic Solar Energy Conference, Valencia, Spain, p. 1664-1669 (2008)

Granek, M. Hermle, C. Reichel, S.W. Glunz, O. Schultz-Wittmann, High-efficiency back-contact back-junction silicon solar cell research at Fraunhofer ISE, Proceedings of the 23rd European Photovoltaic Solar Energy Conference, Valencia, Spain, p. 991 - 995 (2008)

J.C. Goldschmidt, M. Peters, P. Löper, O. Schultz, F. Dimroth, S.W. Glunz, A. Gombert, and G.P. Willeke, Advanced Fluorescent Concentrator System Design, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 608-613 (2007)

Löper, J.C. Goldschmidt, M. Peters, D. Biner, K. Krämer, O. Schultz, S.W. Glunz, and J. Luther, Efficient Upconversion Systems for Silicon Solar Cells, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 589-595 (2007)

Benick, A. Leimenstoll, and O. Schultz, Comprehensive Studies of Passivation Quality on Boron Diffused Silicon Surfaces, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 1244-1248 (2007)

Granek, C. Reichel, M. Hermle, D.M. Huljic, O. Schultz, and S.W. Glunz, Front Surface Passivation of N-Type High-Efficiency Back-Junction Silicon Solar Cells Using Front Surface Field, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 1262-1266 (2007)

J.-F. Nekarda, A. Grohe, O. Schultz, and R. Preu, Aluminum Foil as Back Side Metallization for LFC Cells, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 1499-1502 (2007)

Habenicht, S. Riepe, O. Schultz, and W. Warta, Out-Diffusion of Metal from Grain Boundaries in Multicrystalline Silicon During Thermal Processing, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 1519-1524 (2007)

O.Schultz, A. Mette, R. Preu, and S.W. Glunz, Silicon Solar Cells With Screen-Printed Front Side Metallization Exceeding 19% Efficiency, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 980-984 (2007)

Schwaderer, S. Riepe, H. Habenicht, O. Schultz, and W. Warta, Investigation on Gettering of Impurities During Phosphorus Diffusion in Multicrystalline Silicon, Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, Italy, p. 1617-122 (2007)

Schultz, High-Efficiency Multicrystalline Silicon Solar Cells; Verlag Dr. Hut, ISBN: 3-89963-260-5, Doctoral Thesis

Schultz, J. Rentsch, A. Grohe, S.W. Glunz, and G.P. Willeke, Dielectric rear surface passivation for industrial multicrystalline silicon solar cells, Proceedings of the 4th World Conference on Photovoltaic Energy Conversion, Hawaii, USA, p. 885-9 (2006)

Schultz, S.W. Glunz, S. Riepe, and G.P. Willeke, Gettering of multicrystalline silicon for high-efficiency solar cells, Proceedings of the 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, p. 788-791 (2006)

Nigel Mason, Oliver Schultz, Richard Russell, Stefan Glunz, and Wilhelm Warta, 20.1%   efficient large area cell on 140 micron thin silicon wafer, Proceedings of the 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, p. 521-523 (2006)

Schultz, S.W. Glunz, W. Warta, R. Preu, A. Grohe, M. Köber, G.P. Willeke, R. Russel, J. Fernandez, C. Morilla, R. Bueno, I. Vincuería, High-efficiency solar cells with laser-grooved buried contact front and laser-fired rear for industrial production, Proceedings of the 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, p. 826-829 (2006)

D.M. Huljic, T. Zerres, A. Mohr, K. v. Maydell, K. Petter, J.W. Müller, H. Feist, N.-P. Harder, T. Brendemühl, R. Grischke, R. Meyer, R. Brendel, F. Granek, A. Grohe, M. Hermle, O. Schultz, and S.W. Glunz, Development of a 21 % back-contact monocrystalline silicon solar cell for large-scale production, Proceedings of the 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, p. 765-768 (2006)

Schultz, S.W. Glunz, S. Riepe, G.P. Willeke, High-Efficiency Solar Cells on Phosphorus Gettered Multicrystalline Silicon Substrates, Progress in Photovoltaics: Research and Application 14, 711 – 19 (2006)

Riepe, O. Schultz and W. Warta, Redistribution of recombination active defects and trapping effects in multicrystalline silicon after wet thermal oxidation, Proceedings of the 4th World Conference on Photovoltaic Energy Conversion, Hawaii, USA, p. 956-9 (2006)

Rentsch, O. Schultz, A. Grohe, D. Biro, R. Preu, G.P. Willeke, Technology route towards industrial application of rear passivated silicon solar cells, Proceedings of the 4th World Conference on Photovoltaic Energy Conversion, Hawaii, USA, p. 1008-1011 (2006)

Granek, M. Hermle, B. Fleischhauer, A. Grohe, O. Schultz, S.W. Glunz, G. Willeke, Optimisation of laser-fired aluminium emitters for high efficiency n-type SI solar cells, Proceedings of the 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, p. 777-780 (2006)

Schultz, M. Hofmann, S.W. Glunz, and G.P. Willeke, Silicon oxide / silicon nitride stack systems for 20% efficient silicon solar cells, Proceedings of the 31st IEEE Photovoltaic Specialists Conference, Orlando, Florida, USA, p. 872-6 (2005)

S.W. Glunz, A. Grohe, M. Hermle, M. Hofmann, S. Janz, T. Roth, O. Schultz, M. Vetter, I. Martin, R. Ferré, S. Bermejo, W. Wolke, W. Warta, R. Preu, and G. Willeke, Comparison of different dielectric passivation layers for application in industrially feasible high-efficiency crystalline silicon solar cells, Proceedings of the 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain, p. 572-7 (2005)

J.C. Goldschmidt, O. Schultz, and S.W. Glunz, Predicting multi-crystalline silicon solar cell parameters from carrier density images, Proceedings of the 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain, p. 663-5 (2005)

Dhamrin, K. Kamisako, T. Saitoh, O. Schultz, S.W. Glunz, T. Eguchi, T. Hirasawa, I. Yamaga, and D. Kiden, Effect of Fe-Ga pairs dissociation and association processes on recombination lifetimes in multicrystalline Si solar cells, Proceedings of the 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain, p. 765-8 (2005)

Schultz, S.W. Glunz, D. Kray, M. Dhamrin, I. Yamaga, T. Saitoh, and G.P. Willeke, High-efficiency multicrystalline silicon solar cells on gallium-doped substrate, Proceedings of the 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain, p. 872-7 (2005)

Schultz, S. Riepe, and S.W. Glunz, Thermal degradation and gettering of solar grade multicrystalline silicon, Proceedings of the 19th European Photovoltaic Solar Energy Conference, Paris, France, p. 516-9 (2004)

Schultz, S. Riepe, and S.W. Glunz, Influence of high-temperature processes omulticrystalline silicon, Solid State Phenomena 95-96 235-40 (2004)n

Schultz, S.W. Glunz, and G.P. Willeke, Multicrystalline Silicon Solar Cells Exceeding 20 % Efficiency, Progr. Photovolt. 12 553-558 (2004)

Schultz, S.W. Glunz, J.C. Goldschmidt, H. Lautenschlager, A. Leimenstoll, E. Schneiderlöchner, and G.P. Willeke, Thermal oxidation processes for high-efficiency multicrystalline silicon solar cells, Proceedings of the 19th European Photovoltaic Solar Energy Conference, Paris, France, p. 604-7 (2004)

T.M. Bruton, N.B. Mason, S. Roberts, O. Nast-Hartley, S. Gledhill, J. Fernandez, R. Russell, G. Willeke, W. Warta, S.W. Glunz, and O. Schultz, Towards 20% efficient silicon solar cells manufactured at 60 MWp per annum, Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan, p. 899-902 (2003)

Schultz, G. Emanuel, S.W. Glunz, and G.P. Willeke, Texturing of multicrystalline silicon with acidic wet chemical etching and plasma etching, Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan, p. 1360-3 (2003)

Sparber, O. Schultz, D. Biro, G. Emanuel, R. Preu, A. Poddey, and D. Borchert, Comparison of texturing methods for monocrystalline silicon solar cells using KOH and Na2CO3, Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan, p. 1372-5 (2003)

Biro, R. Preu, O. Schultz, S. Peters, D.M. Huljic, D. Zickermann, R. Schindler, R. Lüdemann, and G. Willeke, Advanced diffusion system for low contamination in-line rapid thermal processing of silicon solar cells, Sol. Ener. Mater. Sol. Cells 74 35-41 (2002)

Biro, O. Schultz, R. Preu, C. Ballif, D. Zickermann, and R. Lüdemann, Screen printed selective emitters prepared by fast and rapid thermal diffusion, Proceedings of the 17th European Photovoltaic Solar Energy Conference, Munich, Germany, p. 1593-6 (2001)

Patents

US 9,130,074, High-efficiency solar cell structures and methods of manufacture, Schultz-Wittmann; Oliver (Sunnyvale, CA), DeCeuster; Denis (Woodside, CA)

US 8,236,604, Fine line metallization of photovoltaic devices by partial lift-off of optical coatings, Schultz-Wittmann; Oliver (Sunnyvale, CA), Crafts; Douglas (Los Gatos, CA), DeCeuster; Denis (Woodside, CA), Turner; Adrian (Palo Alto, CA)

US 9,443,994, Shielded electrical contact and doping through a passivating dielectric layer in a high-efficiency crystalline solar cell, including structure and methods of manufacture,  Crafts; Douglas (Los Gatos, CA), Schultz-Wittmann; Oliver (Sunnyvale, CA)

US 8,236,689, Method for applying a structure to a semiconductor element, Schultz-Wittmann; Oliver (Sunnyvale, CA), Granek; Filip (Freiburg, DE), Grohe; Andreas (Freiburg, DE)

US 8,003,530, Method for metallizing semiconductor elements and use thereof, Grohe; Andreas (Freiburg, DE), Nekarda; Jan-Frederik (Freiburg, DE), Schultz-Wittmann; Oliver (Freiburg, DE)

DE 10 2006 007 797 B4; Verfahren zur Herstellung eines Halbleiterbauelements und dessen Verwendung, Schultz, Oliver (Freiburg, Germany), Hofmann, Marc (March, Germany)

US 9,508,887, Methods of forming solar cells, Crafts; Douglas E. (Los Gatos, CA), Schultz-Wittmann; Oliver (Sunnyvale, CA), Turner; Adrian B. (Palo Alto, CA), Ong; Qin Yang (San Leandro, CA);

 

Go to top

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.