1. Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
2. Key Laboratory of Organic Optoelectronics & Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
3. The
State Key Laboratory of Molecular Engineering of Polymers and Department
of Macromolecular Science, Fudan University, Shanghai 200433, China
4. Beijing
National Laboratory for Molecular Sciences (BNLMS), Key Laboratory
of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China