Improved sequentially processed Cu(In,Ga)(S,Se)2 by Ag alloying

Aubin JC. M. Prot, Michele Melchiorre, Tilly Schaaf +10

Alloying small quantities of silver into Cu(In,Ga)Se2 was shown to improve the efficiency for wide and low band gap solar cells. We study low band gap industrial Cu(In,Ga)(S,Se)2 a…