1. Department of Mechanical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
2. Department of Chemistry, The University of Hong Kong, Pok Fu Lam, Hong Kong
3. Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
4. Research Center for Advanced Materials Science (RCAMS), King Khalid University, P. O. Box 9004, Abha 61514, Saudi Arabia
5. Division of Science and Technology, University of Education, Lahore 54770, Pakistan
6. Department of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, P. R. China
7. State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P. R. China