1. Ministry of Education Key Laboratory of Interface Science and Engineering in Advanced Materials
2. Research Center of Advanced Materials Science and Technology
3. Taiyuan University of Technology
4. Taiyuan 030024
5. China
6. Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM)
7. Nanjing University of Posts and Telecommunications
8. Nanjing 210023
9. College of Science
10. China University of Petroleum
11. Qingdao
12. P. R. China