1 Laboratory of Solid State Optoelectronics Information Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
2 College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 101804, China
3 School of Physics Science and Technology, Xinjiang University, Urumqi 830046, China
4 School of New Energy and Electronics, Yancheng Teachers University, Yancheng 224002, China
5 Key Laboratory of Optoelectronic Materials and Devices, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China