Studies on the performance of a GaInP/GaAs tandem solar cell at elevated temperatures
Автор: Debashish Pal, Rabi Adhikary
Журнал: International Journal of Engineering and Manufacturing @ijem
Статья в выпуске: 1 vol.9, 2019 года.
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In this paper theoretical studies have been performed on a multijunction GaInP/GaAs based tandem solar cell. The top GaInP cell and the bottom GaAs cell were investigated separately. At an operating temperature of 300K, the current matching condition is fulfilled when the top cell and bottom cell base doping concentration and thickness are set to 5x1015/cm3, 1µm, and 2x1017/cm3, 0.127µm respectively. For the purpose of the investigation, a wide operating temperature range was chosen from 25ºC to 100ºC. The optimized tandem solar cell structure having a thickness of 1.847 microns is found to have VOC=2.2996V, ISC=0.0136Amp/cm2, FF=87.61% and ɳ=27.4% under AM1.5G one sun illumination. Studies have also revealed that when the cells are analyzed separately the current mismatch is less significant at low temperatures with the difference becoming notable at higher temperatures. Simulations of the solar cell were performed using PC1D.
AM 1.5, Fill Factor, GaAs/GaInP, Open Circuit Voltage, Reverse Saturation Current, Short Circuit Current
Короткий адрес: https://sciup.org/15015872
IDR: 15015872 | DOI: 10.5815/ijem.2019.01.04
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