Charged Nanochannels in Covalent Organic Framework Membranes Enabling Efficient Ion Exclusion

[1 ]Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

[2 ]Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China

[3 ]Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

[4 ]Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, China

[5 ]Department of Chemistry, National University of Singapore, Singapore 117549, Singapore

[6 ]School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China

[7 ]Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China

[8 ]Zhejiang Institute of Tianjin University, Ningbo, Zhejiang 315201, China