1. School of Chemical Engineering and Light IndustryGuangdong University of Technology Guangzhou 510006 P. R. China
2. Department of Materials Science and EngineeringCenter of Super‐Diamond and Advanced Films (COSDAF) City University of Hong Kong Hong Kong SAR 999077 P. R. China
3. Shenzhen Research Institute City University of Hong Kong Shenzhen 518057 P. R. China