1. College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, P. R. China
2. Hubei Three Gorges Laboratory, Yichang, Hubei 443007, P. R. China
3. Centre for Catalysis and Clean Energy, School of Environment and Science, Gold Coast Campus, Griffith University, Gold Coast, Queensland 4222, Australia
4. Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, China