1. Department of Materials Physics and Chemistry
2. School of Materials Science and Engineering
3. University of Science and Technology Beijing
4. Beijing 100083
5. People's Republic of China
6. Department of Materials Science and Engineering
7. College of Engineering
8. Peking University
9. Beijing 100871
10. Chemical Physics Program and Liquid Crystal Institute
11. Kent State University
12. Kent
13. USA
14. Beijing Tongren Eye Center
15. Capital Medical University
16. Beijing