1. National and Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangzhou 510641 China
2. Department of Chemistry Imperial College London London W12 0BZ United Kingdom
3. R&D Center Foshan Nationstar Semiconductor Technology Co. Ltd. Foshan 528000 China
4. School of Engineering RMIT University Melbourne Victoria 3000 Australia
5. Department of Photonics and Institute of Electro‐Optical Engineering College of Electrical and Computer Engineering National Chiao Tung University Hsinchu 30010 Taiwan, China
6. Semiconductor Research Center Hon Hai Research Institute New Taipei City Taiwan 236 China
7. Department of Materials Science and Engineering City University of Hong Kong Hong Kong 999077 China
8. School of Energy and Environment City University of Hong Kong Hong Kong 999077 China
9. Hong Kong Institute for Clean Energy City University of Hong Kong Hong Kong 999077 China