1. Department of Materials Science and Engineering City University of Hong Kong Tat Chee Avenue, Kowloon Tong Hong Kong SAR P. R. China
2. Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 China
3. Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
4. Department of Chemistry & Center of Super-Diamond and Advanced Films (COSDAF) City University of Hong Kong Tat Chee Avenue, Kowloon Tong Hong Kong SAR P. R. China