1. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, People’s Republic of China
2. National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, People’s Republic of China
3. Institute of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, China
4. Academy of Shenzhen Guohua Optoelectronics, Shenzhen 518110, People’s Republic of China