1. Institute of Materials Science and Devices, Suzhou University of Science and Technology, Kerui Road, Suzhou 215009, People’s Republic of China
2. Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, 2 Tiansheng Road, Chongqing 400715, People’s Republic of China
3. Panxi Science and Technology Innovation Center & Panzhihua Engineering Technology Research Center for Graphene, Panzhihua University, Airport Road, Panzhihua 617000, People’s Republic of China
4. School of Physics, Chongqing University, University City South Road, Chongqing 401331, People’s Republic of China