CdTe single-crystal heterojunction photovoltaic cells

Abstract

Most recent gains in CdTe photovoltaic (PV) device efficiency have been in short-circuit current density (Jsc) and fill factor (FF), rather than open-circuit voltage (Voc). Because Jsc is nearing its theoretical limit, further improvements in device efficiency will require increasing Voc beyond 860 mV and increasing FF. Voc and FF may be improved by… (More)

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