Theoretical limits of thermophotovoltaic solar energy conversion NP Harder, P Würfel
Semiconductor science and technology 18 (5), S151, 2003
348 2003 A Simple Model Describing the Symmetric R Peibst, U Römer, KR Hofmann, B Lim, TF Wietler, J Krügener, ...
IEEE Journal of Photovoltaics 4 (3), 841-850, 2014
126 2014 Charge carrier lifetime degradation in Cz silicon through the formation of a boron-rich layer during BBr3 diffusion processes MA Kessler, T Ohrdes, B Wolpensinger, NP Harder
Semiconductor Science and Technology 25 (5), 055001, 2010
121 2010 Efficient interdigitated back‐contacted silicon heterojunction solar cells N Mingirulli, J Haschke, R Gogolin, R Ferré, TF Schulze, J Düsterhöft, ...
physica status solidi (RRL)–Rapid Research Letters 5 (4), 159-161, 2011
114 2011 Impact of surface topography and laser pulse duration for laser ablation of solar cell front side passivating SiNx layers S Hermann, T Dezhdar, NP Harder, R Brendel, M Seibt, S Stroj
Journal of Applied Physics 108 (11), 2010
104 2010 Picosecond laser ablation of SiO2 layers on silicon substrates S Hermann, NP Harder, R Brendel, D Herzog, H Haferkamp
Applied Physics A 99, 151-158, 2010
102 2010 Theory of analyzing free energy losses in solar cells R Brendel, S Dreissigacker, NP Harder, PP Altermatt
Applied Physics Letters 93 (17), 2008
97 2008 Thermophotonics NP Harder, MA Green
Semiconductor Science and Technology 18 (5), S270, 2003
97 2003 Laser structuring for back junction silicon solar cells P Engelhart, NP Harder, R Grischke, A Merkle, R Meyer, R Brendel
Progress in Photovoltaics: Research and Applications 15 (3), 237-243, 2007
87 2007 Surface passivation of n-type Czochralski silicon substrates by thermal-SiO2/plasma-enhanced chemical vapor deposition SiN stacks Y Larionova, V Mertens, NP Harder, R Brendel
Applied physics letters 96 (3), 2010
86 2010 Injection dependence of the effective lifetime of n-type Si passivated by Al2O3: An edge effect? B Veith, T Ohrdes, F Werner, R Brendel, PP Altermatt, NP Harder, ...
Solar Energy Materials and Solar Cells 120, 436-440, 2014
69 2014 Fast and non-destructive assessment of epitaxial quality of polycrystalline silicon films on glass by optical measurements A Straub, PI Widenborg, A Sproul, Y Huang, NP Harder, AG Aberle
Journal of Crystal Growth 265 (1-2), 168-173, 2004
60 2004 Progress in the surface passivation of silicon solar cells J Schmidt, A Merkle, R Bock, PP Altermatt, A Cuevas, NPN den Harder, ...
conference; 23rd EU PVSEC, 2DP. 2.4-974-981, 2008
55 2008 Formation of large-grained uniform poly-Si films on glass at low temperature AG Aberle, NP Harder, S Oelting
Journal of crystal growth 226 (2-3), 209-214, 2001
51 2001 Comparison of ICP-AlOx and ALD-Al2O3 layers for the rear surface passivation of c-Si Solar cells B Veith, T Dullweber, M Siebert, C Kranz, F Werner, NP Harder, J Schmidt, ...
Energy Procedia 27, 379-384, 2012
50 2012 High efficiency n-type emitter-wrap-through silicon solar cells F Kiefer, C Ulzhöfer, T Brendemühl, NP Harder, R Brendel, V Mertens, ...
IEEE Journal of photovoltaics 1 (1), 49-53, 2011
50 2011 Analysis of series resistance losses in a-Si: H/c-Si heterojunction solar cells R Gogolin, M Turcu, R Ferré, J Clemens, NP Harder, R Brendel, J Schmidt
IEEE Journal of Photovoltaics 4 (5), 1169-1176, 2014
47 2014 Analysis and optimization approach for the doped amorphous layers of silicon heterojunction solar cells D Pysch, C Meinhard, NP Harder, M Hermle, SW Glunz
Journal of Applied Physics 110 (9), 2011
47 2011 Photovoltaic solar cell and solar module NP Harder, P Mogensen, U Blieske
US Patent 7,994,420, 2011
47 2011 Characterisation and implications of the boron rich layer resulting from open-tube liquid source BBR3 boron diffusion processes MA Kessler, T Ohrdes, B Wolpensinger, R Bock, NP Harder
2009 34th IEEE Photovoltaic Specialists Conference (PVSC), 001556-001561, 2009
43 2009 