1. Soochow Institute of Energy and Material Innovations College of Physics, Optoelectronics and Energy Soochow University Suzhou 215006 China
2. Provincial Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies Soochow University Suzhou 215006 China
3. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 China
4. National Synchrotron Radiation Laboratory CAS Center for Excellence in Nanoscience University of Science and Technology of China Hefei Anhui 230029 China
5. Wuhan National High Magnetic Field Center & School of Physics Huazhong University of Science and Technology Wuhan 430074 P. R. China
6. Analysis and Testing Center Soochow University Suzhou 215123 China