1. State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China
2. School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, China
3. Shanghai Institute of Space Power-Sources, State Key Laboratory of Space Power-Sources Technology, Shanghai 200003, China
4. International School of Microelectronics, Dongguan University of Technology, Dongguan 523808, China
5. Guangdong Choicore Optoelectronics Co., Ltd., Heyuan 517003, China