Warmann, Emily C. and Leite, Marina S. and Atwater, Harry A. (2011) Photovoltaic efficiencies in lattice-matched III-V multijunction solar cells with unconventional lattice parameters. In: 2011 37th IEEE Photovoltaic Specialists Conference (PVSC). IEEE , Piscataway, NJ, pp. 570-574. ISBN 978-1-4244-9966-3. https://resolver.caltech.edu/CaltechAUTHORS:20121126-095105559
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Abstract
We explore the potential for high efficiency multijunction solar cells that are not lattice matched to currently available single crystal substrates, but are still formed of component subcells that can be lattice matched to one another in the III-V GaInAsP compound semiconductor material system. Using detailed balance calculations, the theoretical efficiency of three and four junction cells with lattice constants in the range from 5.65325 to 5.8687 Å are explored. In this range, a lattice-matched three junction cell with an In_xAl_(1-x)As top subcell has a 56.2% detailed balance efficiency (500 suns). A lattice-matched four junction cell with 54.5% (500 suns) detailed balance efficiency is also identified.
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| Additional Information: | © 2011 IEEE. Date of Current Version: 19 April 2012. The authors acknowledge financial support from the Department of Energy – Solar Energy Technology Program under Grant No. DE-FG36-08GO18071. We also acknowledge M. Archer for developing the detailed balance Matlab code. | |||||||||
| Group: | Kavli Nanoscience Institute | |||||||||
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| DOI: | 10.1109/PVSC.2011.6186019 | |||||||||
| Record Number: | CaltechAUTHORS:20121126-095105559 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20121126-095105559 | |||||||||
| Official Citation: | Warmann, E.C.; Leite, M.S.; Atwater, H.A.; , "Photovoltaic efficiencies in lattice-matched III-V multijunction solar cells with unconventional lattice parameters," Photovoltaic Specialists Conference (PVSC), 2011 37th IEEE , vol., no., pp.000570-000574, 19-24 June 2011 doi: 10.1109/PVSC.2011.6186019 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6186019&isnumber=6185829 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 35623 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 26 Nov 2012 22:48 | |||||||||
| Last Modified: | 09 Nov 2021 23:16 |
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