1. Department of Physics
2. Hubei Nuclear Solid Physics Key Laboratory
3. Wuhan University
4. Wuhan 430072
5. China
6. Institute of Functional Nano & Soft Materials (FUNSOM)
7. Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices
8. Joint International Research Laboratory of Carbon-Based Functional Materials and Devices
9. Soochow University
10. Suzhou 215123