1. Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science & Technology, Tianjin 300457, China
2. Department of Materials Science and Engineering and Center of Super-Diamond and Advanced Films, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong, China
3. State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
4. Department of Chemistry and Center of Super-Diamond and Advanced Films, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong, China