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

A quaternary-ammonium-functionalized covalent organic framework for anion conduction
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用于阴离子传导的季铵功能化共价有机框架

DOI:
10.1039/c7ce00042a
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发表时间:
2017-09-07
期刊:
影响因子:
3.1
通讯作者:
Yan, Yushan
Yan, Yushan
中科院分区:
化学3区
文献类型:
--
作者:
Guo, Hongxia;Wang, Junhua;Yan, Yushan

文献摘要

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在这里,我们报道了一种新的阴离子导电共价有机框架(COF)。通过溴化和季铵化,季铵 (QA) 离子共价束缚在 COF 1,3,5-三甲酰间苯三酚-邻联甲苯胺 (TpBD-Me) 的孔壁上。 QA 功能化 COF 的碳酸氢盐电导率在 20 °C 时为 5.3 mS cm−1,在 80 °C 时为 27.0 mS cm−1,同时具有 3.3 wt% 的吸水率和 20 °C 时 <1.0% 的溶胀比。这种 QA 功能化 COF 为阴离子导电材料提供了新的选择。
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.