1. State Key Laboratory of Polymer Physics and Chemistry
2. Changchun Institute of Applied Chemistry
3. Chinese Academy of Sciences
4. Changchun 130022
5. P. R. China
6. School of Mathematics and Physics
7. Bohai University
8. Jinzhou 121000
9. Center for Advanced Optoelectronic Functional Materials Research and Key Laboratory of UV-Emitting Materials and Technology of Ministry of Education
10. Northeast Normal University
11. Changchun 130024