1. State Key Laboratory of Coal Conversion Institute of Coal Chemistry Chinese Academy of Sciences Taiyuan 030001 China
2. Hubei Key Laboratory of Radiation Chemistry and Functional Materials Hubei University of Science and Technology Xianning 437100 China
3. State Key Laboratory of Separation Membranes and Membrane Processes School of Materials Science and Engineering Tiangong University Tianjin 300387 P. R. China