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Abstract
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| In this paper, the experimental results of a 10 MeV proton irradiation on concentrator GaInP/GaAs/Ge lattice-matched triple-junction solar cells and their corresponding subcells are examined. Electro-optical characterization such as external quantum efficiency, light and dark I-V measurements, is performed together with theoretical device modeling in order to guide the analysis of the degradation behavior. The GaInP (on Ge) and Ge cell showed a power loss between beginning of life and end of life of about 4% while the GaInP/GaAs/Ge and GaAs solar cells exhibited the highest damage measured of 12% and 10%, respectively for an irradiation fluence equivalent to an 8-years satellite mission in Low Earth Orbit. The results from single-junction solar cells correlate well with those of triple-junction solar cells. The performance of concentrator solar cells structures is similar to that of traditional space-targeted designs reported in literature suggesting that no special changes may be required to use triple junction concentrator solar cells in space. | |
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International
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Si |
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JCR
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Si |
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Title
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Solar Energy Materials And Solar Cells |
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ISBN
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0927-0248 |
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Impact factor JCR
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4,784 |
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Impact info
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Volume
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159 |
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10.1016/j.solmat.2016.09.042 |
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Journal number
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From page
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576 |
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To page
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582 |
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Month
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SIN MES |
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Ranking
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