Affiliation: | 1. MOE Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, P. R. China;2. Key Laboratory of Organic Solids, Beijing National Laboratory for Molecular Science (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, P. R. China;3. School of Materials Science & Engineering, Tsinghua University, Beijing, P. R. China |