Efficiency enhancement of Cu(In,Ga)Se2 solar cells due to post-deposition Na incorporationD. Rudmann, G. Bilger, H. Zogg et al.|Applied Physics Letters|2004Cited by 312
Sodium incorporation strategies for CIGS growth at different temperaturesD. Rudmann, Ayodhya N. Tiwari, D. Brémaud et al.|Thin Solid Films|2004Cited by 162