1. College of Materials Science and Engineering
2. Chongqing University
3. Chongqing 400044, P.R. China
4. National Key Laboratory of Fundamental Science of Micro/Nano-Devices and System Technology
5. State Key Laboratory of Hollow Fiber Membrane Materials and Processes
6. Tianjin Polytechnic University
7. Tianjin 300387, P.R. China
8. School of Environmental and Chemical Engineering