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A quaternary-ammonium-functionalized covalent organic framework for anion conduction

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Abstract

Here we report a new anion conducting covalent organic framework (COF). Quaternary ammonium (QA) ions are covalently tethered onto the pore walls of COF 1,3,5-triformylphloroglucinol-o-tolidine (TpBD-Me) through bromination and quaternization. The QA-functionalized COF shows a bicarbonate conductivity of 5.3 mS cm−1 at 20 °C and 27.0 mS cm−1 at 80 °C, accompanied by 3.3 wt% water uptake and <1.0% swelling ratio at 20 °C. This QA-functionalized COF provides a new option for anion conducting materials.

Graphical abstract: A quaternary-ammonium-functionalized covalent organic framework for anion conduction

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Publication details

The article was received on 07 Jan 2017, accepted on 16 Apr 2017 and first published on 18 Apr 2017


Article type: Paper
DOI: 10.1039/C7CE00042A
Citation: CrystEngComm, 2017, Advance Article
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    A quaternary-ammonium-functionalized covalent organic framework for anion conduction

    H. Guo, J. Wang, Q. Fang, Y. Zhao, S. Gu, J. Zheng and Y. Yan, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE00042A

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