Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 108, Issue -, Pages 235-240Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2012.06.015
Keywords
Solar cell; Space; Degradation; III-V; Electroluminescence; Multi-junction
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Electroluminescence measured at different injection current densities is used to study the effect of particle irradiation on GaInP/GaInAs/Ge triple-junction solar cells. By employing the optoelectronic reciprocity relation, the irradiation-induced degradation in the J-V characteristics of all individual subcells and their underlying diode saturation parameters is derived. Also, the dependence of the solar cell irradiation response on the position of the irradiation-induced non-radiative recombination centers within the cell active region, i.e., the quasi-neutral regions and the space charge region, is discussed. (C) 2012 Elsevier B.V. All rights reserved.
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