1. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China
2. School of Materials Science and Engineering Hanshan Normal University Chaozhou Guangdong 521041 P. R. China
3. Institute of Nanosurface Science and Engineering College of Mechatronics and Control Engineering Shenzhen University Shenzhen 518060 P. R. China
4. Key Laboratory of Material Physics of Ministry of Education School of Physics and Microelectronics Zhengzhou University Zhengzhou 450052 P. R. China
5. Institute of Microscale Optoelectronics Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen 518060 P. R. China
6. Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China