1. College of Chemistry
2. Chemical Engineering and Materials Science
3. Shandong Normal University
4. Jinan 250014
5. China
6. College of Material Science and Engineering
7. Qingdao University of Science and Technology
8. Qingdao 266042
9. Department of Chemistry and Physics
10. Louisiana State University
11. Shreveport
12. USA
13. Department of Chemistry
14. Brown University
15. Providence