High-efficiency GaInP/GaAs tandem solar cells

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 1994 English Publisher:American Institute of Aeronautics and Astronautics (AIAA)Journal:Journal of Propulsion and Power, volume 12, pages 842-846 (issn: 0748-4658, eissn: 1533-3876,

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Authors: K.A. Bertness; D.J. Friedman; S.R. Kurtz; A.E. Kibbler; C. Kramer; J.M. Olson;

doi: 10.2514/3.24112 , 10.1063/1.45748 , 10.1109/62.334755

High-efficiency GaInP/GaAs tandem solar cells

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Abstract

We report on multijunction GaInP/GaAs photovoltaic cells with total‐area efficiencies of 29.5% at one‐sun concentration and air mass (AM) 1.5 global and 25.7% one‐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 different solar spectra and under concentration are also discussed.

Related Organizations

National Renewable Energy Laboratory
United States

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