1. Key Laboratory of Interface Science and Engineering in Advanced Materials
2. Taiyuan University of Technology
3. Ministry of Education
4. Taiyuan 030024, P. R. China
5. Research Center of Advanced Materials Science and Technology
6. Institute of Molecular Functional Materials
7. Department of Chemistry
8. Institute of Advanced Materials
9. Hong Kong Baptist University
10. Hong Kong, P. R. China
11. State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices
12. South China University of Technology
13. Guangzhou 510640, P. R. China