1. School of Chemical and Biomedical Engineering
2. Nanyang Technological University
3. Singapore
4. Department of Applied Physics
5. Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology
6. Faculty of Science
7. Tianjin University
8. Tianjin 300072
9. Beijing Synchrotron Radiation Facility (BSRF)
10. Institute of High Energy Physics
11. Chinese Academy of Sciences
12. Beijing 100049
13. China