1. State Key Laboratory of Polymer Physics and Chemistry
2. Changchun Institute of Applied Chemistry
3. University of Chinese Academy of Sciences
4. Changchun
5. P. R. China
6. Organic Photonics and Electronics Group
7. Department of Physics
8. Umeå University
9. Umeå SE-90187
10. Sweden
11. Institute of Polymer Optoelectronic Materials and Devices
12. State Key Laboratory of Luminescent Materials and Devices
13. South China University of Technology
14. Guangzhou