RADIATION-INDUCED DAMAGE MECHANISMS AND ON-ORBIT DEGRADATION PREDICTIONS FOR TRIPLE-JUNCTION SOLAR CELLS

Peng Chao

doi:10.19912/j.0254-0096.tynxb.2021-0733

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (12) : 25-31. DOI: 10.19912/j.0254-0096.tynxb.2021-0733

RADIATION-INDUCED DAMAGE MECHANISMS AND ON-ORBIT DEGRADATION PREDICTIONS FOR TRIPLE-JUNCTION SOLAR CELLS

Peng Chao

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Abstract

Proton/electron irradiation experiments are carried out for triple-junction solar cells. The radiation damage sensitive region in triple-junction solar cell is identified, and the degradation model of electrical characteristics with the displacement damage dose （DDD） is established. Based on TCAD simulations, the degradation mechanisms of triple-junction solar cells after irradiation is studied and verified. Combined with Monte Carlo simulations and ground irradiation tests, the equivalent DDD method is used to predict the on-orbit performances of triple-junction solar cells. The on-orbit degradations of typical Chinese triple-junction solar cells in GEO and LEO orbits are calculated.

Key words

solar cells / radiation effects / GaAs / space applications / displacement damage / TCAD simulations

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Peng Chao. RADIATION-INDUCED DAMAGE MECHANISMS AND ON-ORBIT DEGRADATION PREDICTIONS FOR TRIPLE-JUNCTION SOLAR CELLS[J]. Acta Energiae Solaris Sinica. 2022, 43(12): 25-31 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0733

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