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By simply spinning Au nanoparticles on the surface of graphene/GaAs heterojunction, a stable solar cell with a power conversion efficiency (PCE) of 16.2% is achieved. The surface plasmon resonance of Au nanoparticles enhances the electromagnetic field near the graphene/GaAs junction area, which significantly improves the short current value and PCE.
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Lin et al. (2016) studied this question.
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