1. School of Physics and Electronic Information
2. Huaibei Normal University
3. Huaibei
4. P. R. China
5. High Magnetic Field Laboratory
6. Joint Center for Artificial Photosynthesis
7. Lawrence Berkeley National Laboratory
8. Berkeley
9. USA
10. Department of Chemical and Biomolecular Engineering
11. University of Akron
12. Akron
13. Chinese Academy of Sciences
14. Hefei
15. Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Technology