1. Hubei Key Laboratory on Organic and Polymeric Opto-electronic Materials
2. College of Chemistry and Molecular Sciences
3. Wuhan University
4. Wuhan 430072
5. China
6. Beijing Center for Crystal R&D, Technical Institute of Physics and Chemistry
7. Chinese Academy of Sciences
8. Beijing 100190
9. Department of Chemistry, University of Houston, 112 Fleming Building
10. Houston
11. USA
12. School of Materials Science and Engineering, Shanghai Institute of Technology
13. Shanghai 200235