1. Faculty of Materials Science and Chemistry
2. China University of Geosciences
3. Wuhan 430074
4. P. R. China
5. Department of Chemistry
6. South University of Science and Technology of China
7. Shenzhen
8. State Key Laboratory of Rare Earth Resource Utilization
9. Changchun Institute of Applied Chemistry
10. Chinese Academy of Sciences
11. Changchun 130022