Potential-Induced Degradation of Cu(In,Ga)Se 2 Solar Cells: Alkali Metal Drift and Diffusion Effects
IEEE Journal of Photovoltaics(2018)
摘要
Potential-induced degradation (PID) of photovoltaic modules is due to transport of alkali metal ions (Na+ ) from the soda-lime glass (SLG) into the semiconductors. For the most efficient polycrystalline absorbers, Na and K in the Cu(In,Ga)(Se,S)2 (CIGS) absorber often benefit performance, so a more detailed mechanism for PID is needed. To that end, CIGS solar cells have been encapsulated, stressed...
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关键词
Substrates,Glass,Metals,Degradation,Performance evaluation,Photovoltaic cells,Encapsulation
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