Journal Article 960-mV Open-Circuit Voltage Chalcopyrite Solar Cell

廣井, 誉  ,  Hiroi, Homare

Open-circuit voltage (Voc) of 960 mV on chalcopyrite solar cell was achieved by pure-sulfide Cu(In,Ga)S2 solar cell. Generally, high-performance Cu(In,Ga)S2 needs KCN-etching treatment to remove CuS layer; however, we were able to fabricate it without KCN-etching treatment. Our champion puresulfide Cu(In,Ga)S2 cell demonstrated the efficiency of 14.0%. In this paper, the latest results for high-performance pure-sulfide Cu(In,Ga)S2 cells will be presented.

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