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Dr. Daniel J. Friedman
at National Renewable Energy Lab
SPIE Involvement:
Author
Publications (3)
Proceedings Article | 1 April 2022 Presentation
Fast external quantum efficiency measurements of photovoltaic modules
Proceedings Volume PC11996, PC1199605 (2022) https://doi.org/10.1117/12.2617166
KEYWORDS: External quantum efficiency, Solar cells, Photovoltaics, Silicon films, Semiconductor lasers, Light emitting diodes, Thin films, Solids, Silicon, Quantum efficiency
Proceedings Article | 11 September 2007 Paper
Daily fill factor variation as a diagnostic probe of multijunction concentrator systems during outdoor operation
William McMahon, Keith Emery, Daniel Friedman, Larry Ottoson, Michelle Young, J. Scott Ward, Charlene Kramer, Anna Duda, Sarah Kurtz
Proceedings Volume 6649, 664906 (2007) https://doi.org/10.1117/12.732604
KEYWORDS: Solar concentrators, Indium gallium phosphide, Phase modulation, Diagnostics, Gallium arsenide, Collimation, Multijunction solar cells, Solar cells, Photons, Antireflective coatings
Proceedings Article | 14 July 2000 Paper
Effect of nitrogen on the band structure of III-N-V alloys
Wei Shan, Wladek Walukiewicz, K. Yu, Joel Ager, Eugene Haller, John Geisz, Daniel Friedman, J. Olson, Sarah Kurtz, H. Xin, Charles Tu
Proceedings Volume 3944, (2000) https://doi.org/10.1117/12.391460
KEYWORDS: Nitrogen, Gallium arsenide, Semiconductors, Chemical species, Solids, Solar energy, Signal detection, Crystals, Spectroscopy, Absorption
Conference Committee Involvement (6)
High and Low Concentrator Systems for Solar Energy Applications IX
19 August 2014 | San Diego, California, United States
High and Low Concentrator Systems for Solar Electric Applications VIII
27 August 2013 | San Diego, California, United States
High and Low Concentrator Systems for Solar Electric Applications VII
13 August 2012 | San Diego, California, United States
High and Low Concentrator Systems for Solar Electric Applications VI
23 August 2011 | San Diego, California, United States
High and Low Concentrator Systems for Solar Electric Applications V
3 August 2010 | San Diego, California, United States
Showing 5 of 6 Conference Committees
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