Abstract
The properties of Ga0.7In0.3P/GaP heterophotoconverters with a two-sided contact grid are studied in the range of solar radiation concentration Ks = 1−100 times and with natural convective heat exchange. It is found that, in the considered photoconverters, the dependences of an idle running voltage, the duty cycle of the current-voltage characteristic, and the efficiency on concentration are additionally improved due to high heat conduction of GaP and the temperature stability of the broad-band heterophotoconverter with “transparent“ structural design.
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