1. College of Chemistry and Chemical Engineering
2. Central South University
3. Changsha 410083
4. China
5. Institute of Polymer Optoelectronic Materials and Devices
6. State Key Laboratory of Luminescent Materials and Devices
7. South China University of Technology
8. Guangzhou 510640
9. Institute of Macromolecular Chemistry
10. The Czech Academy of Sciences
11. 162 06 Prague 6
12. Czech Republic
13. Beijing National Laboratory for Molecular Sciences
14. Institute of Chemistry
15. Chinese Academy of Sciences
16. Beijing 100190