1. School of Material Science and Engineering
2. Liaocheng University
3. Liaocheng
4. P. R. China
5. Key Laboratory of Polyoxometalates Science of Ministry of Education
6. Department of Chemistry
7. Northeast Normal University
8. Changchun
9. China
10. School of Chemical and Biomolecular Engineering
11. Georgia Institute of Technology
12. Atlanta
13. USA