1. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
2. College of Environment and Ecology, Chongqing University, Chongqing 400044, China
3. Chongqing Key Laboratory of Catalysis and New Environmental Materials, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
4. Chongqing Academy of Environmental Science, Chongqing 401147, PR China