1. Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fujian 350108, China
2. School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
3. Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
4. Fujian Engineering Research Centre of Advanced Manufacturing Technology for Fine Chemicals, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China