1. Fujian Provincial Key Laboratory of Clean Energy Materials, Longyan University, Longyan 364000, Fujian, P. R. China
2. Department of Mechanical Engineering, National University of Singapore, 117574, Singapore
3. Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan 2308, New South Wales, Australia
4. School of Chemistry and Chemical Engineering, Southeast University, Jiangsu 211189, Nanjing, P. R. China