Improved GaAs Nanorwire solar Cells Using AIGaAs for Surface Passivation
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Lee, Yu-Heng (Jaret)
Li, Zhe
Fu, Lan
Parkinson, Patrick
Vora, Kaushal
Jagadish, Chennupati
Tan, Hark Hoe
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Institute of Electrical and Electronics Engineers (IEEE Inc)
Abstract
Semiconductor nanowire solar cells (NWSCs) have attracted significant interests owning to their potential in the applications of high-performance solar cells. Here, we report improved GaAs solar cell performance using a high-quality AlGaAs shell for surface passivation. The device exhibits an open-circuit voltage (Voc) of 0.70V, a short-circuit current density (Jsc) of 9.79 mA/cm2, a fill factor (FF) of 0.52, and a total power conversion efficiency (η) of 4.22%. This work suggests a promising route to optimize NWSCs.
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COMMAD 2012 Proceedings
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2037-12-31
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