1 Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
2 School of Advanced Materials, Peking University, Shenzhen Graduate School, Shenzhen 518055, China
3 Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
4 School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China
5 Renewable and Sustainable Energy Institute, University of Colorado, Boulder, Colorado 80309, USA