A proton-conductive metal-organic framework based on imidazole and sulphate ligands

被引：4
|
作者：
Mi, Fu-Qi [1 ,2 ]
Ma, Fa-Xue [2 ,3 ]
Zou, Shui-Xiang [1 ,2 ]
Zhan, Dong-Sun [1 ,2 ]
Zhang, Teng [2 ,4 ]
机构：
[1] Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
[3] Xiamen Univ, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
DALTON TRANSACTIONS | 2022年 / 51卷 / 04期
基金：
中国国家自然科学基金;
关键词：
SULFONIC-ACID GROUPS; COORDINATION POLYMER; WATER-ADSORPTION; STABILITY; MOFS;
D O I：
10.1039/d1dt04129k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A metal-organic framework (MOF) built from a combination of metal cations, neutral azole ligands and sulphate anions, [Cu-2(DHBDI)(3)(SO4)(2)]n (1, DHBDI = 1H,5H-benzo[1,2-d:4,5-d']diimidazole), was synthesized. MOF 1 exhibits good chemical stability in acids, bases and boiling water while showing high hydrophilicity. Meanwhile, MOF 1 exhibits a proton conductivity of 1.14 x 10(-3) S cm(-1) at 90 degrees C and 98% RH, among the best for MOF materials with uncoordinated N sites. Temperature-dependent conductivity measurements suggest a vehicle mechanism (E-a = 0.64 eV) for proton transport.
引用
收藏
页码：1313 / 1317
页数：5
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