Kuwahata, Yoshihiro; Minemoto, Takashi - In: Renewable Energy 65 (2014) C, pp. 113-116
Buffer layers such as CdS and ZnS are used in high efficiency Cu(In,Ga)Se2 (CIGS) thin film solar cells. Eliminating buffer layer is attractive to realize low-cost thin film solar cells by reducing fabrication process. However, the elimination of the buffer layers leads to shunting due to the...