1. College of Materials Science and Engineering Sichuan University Chengdu 610065 China
2. Engineering Research Center of Alternative Energy Materials and Devices Ministry of Education Chengdu 610065 China
3. Department of Materials Science and Engineering City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong SAR 999077 China
4. School of Materials Science and Engineering Hunan Provincial Key Laboratory of Electronic Packaging and Advanced Functional Materials Central South University Changsha 410083 China
5. School of Physics and Electronics Hunan University Changsha 410082 China
6. Department of Chemistry and Center of Super‐Diamond and Advanced Films (COSDAF) City University of Hong Kong Kowloon Hong Kong SAR 999077 China