1. Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME), Northwestern Polytechnical University, Xi’an 710129, China
2. Department of Physics, College of Science, King Khalid University, Abha 9004, Saudi Arabia
3. School of Physical Science and Technology, Northwestern Polytechnical University, Xi’an 710129, China
4. Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
5. Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China