1. School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Optics Valley Laboratory, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
2. The Chinese University of Hong Kong, Shenzhen, Shenzhen, Guangdong 518172, P. R. China
3. Department of Physics, College of Science, Shihezi University, Shihezi 832003, P. R. China
4. College of Chemistry and Chemical Engineering, Tarim University, Alaer 843300, P. R. China
5. Advanced Energy Storage Technology Research Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, P. R. China