1. Key Laboratory of Material Physics
2. Ministry of Education
3. School of Physics and Microelectronics
4. Zhengzhou University
5. Zhengzhou 450052
6. Center of Super-Diamond and Advanced Films (COSDAF)
7. Department of Chemistry
8. City University of Hong Kong
9. P. R. China
10. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education
11. Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province
12. Institute of Microscale Optoelectronics
13. Shenzhen University
14. Shenzhen