1. National Synchrotron Radiation Laboratory
2. CAS Center for Excellence in Nanoscience
3. University of Science and Technology of China
4. Hefei
5. P. R. China
6. Shanghai Synchrotron Radiation Facility
7. Shanghai Advanced Research Institute
8. Chinese Academy of Sciences
9. Shanghai 201204
10. Department of Materials Science and Nano Engineering
11. Rice University
12. Houston
13. USA
14. School of Chemistry and Material Sciences