%0 Journal Article %J Advanced Energy Materials %D 2014 %T Device characteristics of CZTSSe thin-film solar cells with 12.6% efficiency %A Wang, Wei %A Winkler, Mark T %A Oki Gunawan %A Tayfun Gokmen %A Todorov, Teodor K %A Zhu, Yu %A Mitzi, David B %B Advanced Energy Materials %V 4 %G eng