1. Hunan Key Laboratory of Two-Dimensional Materials and State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
2. Department of Applied Physics, School of Physics and Electronics, Hunan University, Changsha 410082, China
3. School of Physics, Northwest University, Xi'an 710069, China
4. Hunan Provincial Key Laboratory of Flexible Electronic Materials Genome Engineering, School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China
5. School of Energy and Mechanical Engineering, Jiangxi University of Science and Technology, Nanchang 330013, People's Republic of China
6. Shenzhen Research Institute of Hunan University, Shenzhen 518063, China