Enhanced lateral current transport via the front N+ diffused layer of n‐type high‐efficiency back‐junction back‐contact silicon solar cells F Granek, M Hermle, DM Huljić, O Schultz‐Wittmann, SW Glunz Progress in photovoltaics: research and applications 17 (1), 47-56, 2009 | 114 | 2009 |
Analyzing the effects of front-surface fields on back-junction silicon solar cells using the charge-collection probability and the reciprocity theorem M Hermle, F Granek, O Schultz, SW Glunz Journal of Applied Physics 103 (5), 2008 | 109 | 2008 |
Shading effects in back-junction back-contacted silicon solar cells M Hermle, F Granek, O Schultz-Wittmann, SW Glunz 2008 33rd IEEE Photovoltaic Specialists Conference, 1-4, 2008 | 82 | 2008 |
Investigation of electrical shading effects in back-contacted back-junction silicon solar cells using the two-dimensional charge collection probability and the reciprocity theorem C Reichel, F Granek, M Hermle, SW Glunz Journal of Applied Physics 109 (2), 2011 | 75 | 2011 |
Inorganic photovoltaics–planar and nanostructured devices J Ramanujam, A Verma, B González-Díaz, R Guerrero-Lemus, ... Progress in Materials Science 82, 294-404, 2016 | 74 | 2016 |
Modeling and optimization study of industrial n-type high-efficiency back-contact back-junction silicon solar cells S Kluska, F Granek, M Rüdiger, M Hermle, SW Glunz Solar Energy Materials and Solar Cells 94 (3), 568-577, 2010 | 72 | 2010 |
Back‐contacted back‐junction n‐type silicon solar cells featuring an insulating thin film for decoupling charge carrier collection and metallization geometry C Reichel, F Granek, M Hermle, SW Glunz Progress in Photovoltaics: Research and Applications 21 (5), 1063-1076, 2013 | 64 | 2013 |
Comparison of emitter saturation current densities determined by injection‐dependent lifetime spectroscopy in high and low injection regimes C Reichel, F Granek, J Benick, O Schultz‐Wittmann, SW Glunz Progress in Photovoltaics: Research and Applications 20 (1), 21-30, 2012 | 58 | 2012 |
19.7% efficient all-screen-printed back-contact back-junction silicon solar cell with aluminum-alloyed emitter R Woehl, J Krause, F Granek, D Biro IEEE Electron Device Letters 32 (3), 345-347, 2011 | 57 | 2011 |
Industrial LCP selective emitter solar cells with plated contacts D Kray, N Bay, G Cimiotti, S Kleinschmidt, N Kösterke, A Lösel, M Sailer, ... 2010 35th IEEE Photovoltaic Specialists Conference, 000667-000671, 2010 | 56 | 2010 |
Advanced system for calibration and characterization of solar cells F Granek, T Zdanowicz Opto-electronics review 12 (1), 57-67, 2004 | 54 | 2004 |
High-efficiency back-contact back-junction silicon solar cells F Granek Freiburg (Breisgau), Univ., Diss., 2009, 2010 | 52 | 2010 |
Front surface passivation of n-type high-efficiency back-junction silicon solar cells using front surface field F Granek, C Reichel, M Hermle, DM Huljic, O Schultz, SW Glunz Proceedings of the 22th European Photovoltaic Solar Energy Conference, 1262-1265, 2007 | 47 | 2007 |
Influence of ZnO: Al, MoO3 and PEDOT: PSS on efficiency in standard and inverted polymer solar cells based on polyazomethine and poly (3-hexylthiophene) A Iwan, M Palewicz, I Tazbir, B Boharewicz, R Pietruszka, M Filapek, ... Electrochimica Acta 191, 784-794, 2016 | 43 | 2016 |
High-efficiency silicon solar cells with boron local back surface fields formed by laser chemical processing S Kluska, F Granek IEEE Electron Device Letters 32 (9), 1257-1259, 2011 | 36 | 2011 |
High-efficiency back-contact back-junction silicon solar cell research at Fraunhofer ISE F Granek, M Hermle, C Reichel, O Schultz-Wittmann, SW Glunz Proceedings of the 23rd European Photovoltaic Solar Energy Conference, 991-995, 2008 | 30 | 2008 |
17% mc-Si solar cell efficiency using full in-line processing with improved texturing and screen-printed contacts on high-ohmic emitters CJJ Tool, G Coletti, FJ Granek, J Hoornstra, M Koppes, EJ Kossen, ... Presented at the 20th European Photovoltaic Solar Energy Conference and …, 2005 | 28 | 2005 |
Back-contact back-junction silicon solar cells under UV illumination F Granek, C Reichel Solar energy materials and solar cells 94 (10), 1734-1740, 2010 | 27 | 2010 |
Study on laser parameters for silicon solar cells with LCP selective emitters S Hopman, A Fell, K Mayer, C Fleischmann, K Drew, D Kray, F Granek Proceedings if the 24th European photovoltaic solar energy conference …, 2009 | 27 | 2009 |
Decoupling charge carrier collection and metallization geometry of back-contacted back-junction silicon solar cells by using insulating thin films C Reichel, M Reusch, F Granek, M Hermle, SW Glunz 2010 35th IEEE Photovoltaic Specialists Conference, 001034-001038, 2010 | 26 | 2010 |