1. Chongqing Key Laboratory of Catalysis and Functional Organic Molecules, College of Environmental and Biological Engineering, Chongqing Technology and Business University, Chongqing 400067, China
2. Department of Chemistry, University of South Dakota, 414 E. Clark Street, Vermillion, SD 57069, USA
3. Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China
4. Department of Science and Environmental Studies, The Hong Kong Institute of Education, 10 Lo Ping Road, Tai Po, New Territories, Hong Kong