Abstract
We report on multijunction GaInP/GaAs photovoltaic cells with efficiencies of 29.5% at 1-sun concentration and air mass (AM) 1.5 global and 25.7% 1-sun, AM0. These values represent the highest efficiencies achieved by any solar cell under these illumination conditions. Three key areas in this technology are identified and discussed; the grid design, front surface passivation of the top cell, and bottom surface passivation of both cells. Aspects of cell design related to its operation under concentration are also discussed.
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@article{Bertness_1994, title={29.5%-efficient GaInP/GaAs tandem solar cells}, volume={65}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.112171}, DOI={10.1063/1.112171}, number={8}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Bertness, K. A. and Kurtz, Sarah R. and Friedman, D. J. and Kibbler, A. E. and Kramer, C. and Olson, J. M.}, year={1994}, month=aug, pages={989–991} }