1. Shenzhen Engineering Center for the Fabrication of Two‐Dimensional Atomic Crystals Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 China
2. Department of Materials Science and Engineering and Shenzhen Engineering Research and Development Center for Flexible Solar Cells Southern University of Science and Technology Shenzhen 518055 China
3. Wuhan Institute of Advanced Technology Chinese Academy of Sciences Wuhan 430000 China
4. College of Engineering and Applied Sciences Nanjing National Laboratory of Microstructures Nanjing University Nanjing 210093 China
5. Department of Physics Department of Materials Science and Engineering and Department of Biomedical Engineering City University of Hong Kong Tat Chee Avenue Kowloon Hong Kong 999077 China