1. Beijing
Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials,
Key Laboratory of Cluster Science of Ministry of Education, School
of Chemistry, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing 100081, China
2. Institute
of Polymer Optoelectronic Materials and Devices, State Key Laboratory
of Luminescent Materials and Devices, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China
3. Materials
Science Division, Lawrence Berkeley National Lab, Berkeley, California 94720, United States