1. Wuhan
National Laboratory for Optoelectronics and School of Optical and
Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China
2. Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
3. Research Institute of Huazhong University of Science and Technology in Shenzhen, Shenzhen 518057, People’s Republic of China