TY - JOUR T1 - Over 9% Efficient Kesterite Cu 2 ZnSnS 4 Solar Cell Fabricated by Using Zn 1- x Cd x S Buffer Layer JF - Advanced Energy Materials Y1 - 2016 A1 - Sun, Kaiwen A1 - Yan, Chang A1 - Liu, Fangyang A1 - Huang, Jialiang A1 - Zhou, Fangzhou A1 - Stride, John A. A1 - Martin A Green A1 - Hao, Xiaojing VL - 6 UR - http://doi.wiley.com/10.1002/aenm.201600046https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Faenm.201600046 CP - 12 J1 - Adv. Energy Mater. KW - Sun2016 ER -