Yachao Du; Shanshan Wang; Qingwen Tian; Yuechao Zhao; Xiaohuan Chang; Haiqin Xiao; Yueqing Deng; Shiyou Chen; Sixin Wu; Shengzhong Liu, Defect Engineering in Earth-Abundant Cu2ZnSn(S,Se)4 Photovoltaic Materials via Ga3+-Doping for over 12% Efficient Solar Cells. Advanced Energy Materials. 2021,31, 2010325..