1. School of Materials Science and Chemistry
2. China University of Geosciences
3. Wuhan 430074
4. P.R. China
5. Hubei Key Laboratory for Processing and Application of Catalytic Materials
6. Guangxi Key Laboratory of Low Carbon Energy Materials
7. School of Chemistry and Pharmaceutical Sciences
8. Guangxi Normal University
9. Guilin 541004
10. Research Institute of Tsinghua University in Shenzhen
11. Shenzhen 518057