Lei Dong1, Qikun Hu1, Ehsan Rezaee1, Qian Chen1, Songhe Yang1, Siyuan Cai1, Bingchen Liu1, Jia-Hong Pan2, Zong-Xiang Xu3,*
1 Department of Chemistry, Southern University of Science and Technology of China, Shenzhen, Guangdong, 518055 P. R. China
2 School of Renewable Energy, North China Electric Power University, Beijing, 102206 P. R. China
3 Department of Chemistry, Southern University of Science and Technology of China, Shenzhen Engineering Research and Development Center for Flexible Solar Cells, Shenzhen, Guangdong, 518055 P. R. China