[Mai, Yaohua; Yang, Yuzhao; Wu, Shaohang; Yu, Bohao] Jinan Univ, Inst New Energy Technol, Coll Informat Sci & Technol, Guangzhou 510632, Peoples R China.
[Yang, Yuzhao] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Peoples R China.
[Lambertz, Andreas; Duan, Weiyuan; Ding, Kaining] Forschungszentrum Julich, IEK 5 Photovolta, D-52425 Julich, Germany.
[Tang, Fei; Lu, Feiping] Tianshui Normal Univ, Dept Phys, Tianshui 741000, Peoples R China.
[Huang, Jincheng] Changsha Univ Sci & Technol, Coll Energy & Power Engn, Changsha 410114, Peoples R China.