1. Wuhan National Laboratory for Optoelectronics
2. Huazhong University of Science and Technology
3. Wuhan 430074
4. P. R. China
5. Department of Materials Science and Engineering
6. University of California
7. Los Angeles
8. USA
9. Department of Chemical Technology
10. Faculty of Science
11. Chulalongkorn University
12. Thailand
13. Department of Materials Engineering
14. Monash University
15. Australia
16. Kunming Institute of Precious Metals
17. Kunming 650106