Advances in large area CIGS technology

This paper describes results in several areas that, taken as a whole, significantly contribute to the advancement of CIGS PV technology based on vacuum deposition. These results include the large area sputtering of Mo suitable for very high efficiency cells, the improved delivery of Cu by linear source evaporation for large area vacuum deposition of CIGS, a promising non-Cd buffer layer capable of vacuum deposition, and improvement of the properties of doped ZnO.