Low-coordination water in COFs and acid-free proton conduction

Kun Zhang; Yaocheng Han; Ziya Liu; Lei Wu; Wenxin Zhang; Huanhuan Li; Guoji Huang; Dongshuang Wu; Long Chen; Manni Li

doi:10.1039/D5CC00471C

Low-coordination water in COFs and acid-free proton conduction†

Kun Zhang,

‡*^a Yaocheng Han,‡^a Ziya Liu,

‡^a Lei Wu,^a Wenxin Zhang,^a Huanhuan Li,^a Guoji Huang,*^b Dongshuang Wu,^c Long Chen^a and Manni Li*^a

Author affiliations

* Corresponding authors

^a Automotive Engineering Research Institute, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, P. R. China
E-mail: kunzhang@ujs.edu.cn, lmn@ujs.edu.cn

^b School of Resource & Environment, Nanchang University, 999 Xuefu Road, Nanchang, Jiangxi, P. R. China
E-mail: ghuang@ncu.edu.cn

^c School of Material Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue 639798, Singapore

Abstract

In this study, a covalent organic framework (COF) membrane has been synthesized, featuring one-dimensional channels akin to those of carbon nanotubes (CNTs), yet boasting enhanced crystallinity and electrical insulation properties. It exhibits remarkable acid-free proton conduction in aqueous environments, which is attributed to the orientation distribution and low coordination number of water molecules in the confined space.

Chemical Communications

Low-coordination water in COFs and acid-free proton conduction†

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Low-coordination water in COFs and acid-free proton conduction

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