1. School of Chemistry and Chemical Engineering, Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
2. Xi’an Key Laboratory of Functional Organic Porous Materials, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
3. School of Chemistry and Chemical Engineering, Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions of Ministry of Education, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
4. State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Membrane Science and Technology, Tiangong University, Tianjin 300387, P. R. China