[1] Chinese Acad Sci, Key Lab Renewable Energy, Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Jiangsu Innovat Ctr Photovolta Sci & Engn, Changzhou 213164, Peoples R China