1. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and TechnologyShenzhen University Shenzhen 518060 China
2. Department of Physics, Chemistry, and Biology (IFM) Linköping University Linköping SE‐58183 Sweden
3. Key Lab for Flexible Electronics and Institute of Advanced MaterialsJiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)Nanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
4. Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University (NTU)21 Nanyang Link Singapore 637371 Singapore
5. Laboratory of Solid State Microstructures and Innovation Center of Advanced MicrostructuresNanjing University Nanjing 210093 P. R. China