1. Institute for Advanced MaterialsSouth China Academy of Advanced Optoelectronics, and Guangdong Provincial Key Laboratory of Optical Information Materials and TechnologySouth China Normal University Guangzhou 510006 China
2. Guangdong Institute of Semiconductor Industrial TechnologyGuangdong Academy of Sciences Guangzhou 510650 China
3. State Key Laboratory of Luminescent Materials and DevicesInstitute of Polymer Optoelectronic Materials and DevicesSouth China University of Technology Guangzhou 510640 China
4. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and National Center for International Research on Green OptoelectronicsSouth China Academy of Advanced OptoelectronicsSouth China Normal University Guangzhou 510006 China
5. Laboratory of Solid State Microstructures and Innovation Center of Advanced MicrostructuresNanjing University Nanjing 210093 China