Quantum Efficiency Measurements and Modeling as Tools to Monitor Air Annealing of Cu2SnS 3 Solar Cells
IEEE Journal of Photovoltaics(2017)
摘要
Air annealing of chalcopyrite solar cells at either 200 °C or higher is often known to increase their power conversion efficiency. In this paper, we investigate the nature of this effect for Cu2SnS3 (CTS) solar cells by modeling the experimental external quantum efficiency. We find that the cell efficiency increase stems from increased diffusion length and depletion width and decreased interface r...
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关键词
Annealing,Photovoltaic cells,Standards,Atmospheric modeling,Buffer layers,II-VI semiconductor materials,Zinc oxide
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