1. Beijing Key Laboratory of Energy Conversion and Storage
Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China
2. State Key
Laboratory of Luminescent Materials and Devices, Institute of Polymer
Optoelectronic Materials and Devices, South China University of Technology, Guangzhou 510640, China
3. Beijing National Laboratory for Molecular Sciences, Key Laboratory
of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China