1. Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan 430074 China
2. School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan 430074 China
3. Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA
4. School of Electrical Engineering Zhengzhou University Zhengzhou 450001 China
5. Institute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 China