1. Department of Applied Physics School of Physics and Electronics Hunan University Changsha 410082 China
2. Beijing National Laboratory for Molecular Sciences (BNLMS) Key Laboratory of Organic Solids Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 China
3. School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China
4. Beijing National Laboratory for Molecular Sciences (BNLMS) CAS Key Laboratory of Molecular Nanostructure and Nanotechnology Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
5. College of Chemistry and Material Science Shandong Agricultural University Taian 271018 Shandong China
6. Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China