1. Henan Province Key Laboratory of Photovoltaic Materials
2. College of Physics & Materials Science
3. Henan Normal University
4. Xinxiang 453007
5. China
6. Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
7. Institute of Functional Nano & Soft Materials (FUNSOM)
8. Collaborative Innovation Center of Suzhou Nano Science and Technology
9. Soochow University
10. Suzhou
11. Shanghai Synchrotron Radiation Facility
12. Shanghai Institute of Applied Physics
13. Chinese Academy of Sciences
14. Shanghai 201204