1. Key Laboratory of Interface Science and Engineering in Advanced Materials
2. Taiyuan University of Technology
3. Ministry of Education
4. Taiyuan 030024
5. China
6. State Key Laboratory of Luminescence and Applications
7. Changchun Institute of Optics
8. Fine Mechanics and Physics
9. Chinese Academy of Sciences
10. Changchun
11. Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials
12. Nanjing University of Posts and Telecommunications
13. Nanjing 210046
14. Jiangsu-Singapore Joint Research Center for Organic/Bio-Electronics & Information Displays and Institute of Advanced Materials (IAM)