Single Crystal Proton Conduction Study of a Metal Organic Framework of Modest Water Stability

被引：151

作者：

Joarder, Biplab ^{[1
]}

Lin, Jian-Bin ^{[1
]}

Romero, Zaida ^{[1
]}

Shimizu, George K. H. ^{[1
]}

机构：

[1] Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2017年 / 139卷 / 21期

基金：

加拿大自然科学与工程研究理事会;

关键词：

POROUS COORDINATION POLYMERS; TRANSPORT; DIFFUSION; HUMIDITY; MOFS;

D O I：

10.1021/jacs.7b03397

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A sulfonated indium (In) metal organic framework (MOF) is reported with an anionic layered structure incorporating hydrogen-bonded dimethylammonium cations and water molecules. The MOF becomes amorphous in >60% relative humidity; however, impedance analysis of pelletized powders revealed a proton conduction value of over 10(-3) S cm(-1) at 25 degrees C and 40% RH, a very high proton conduction value for low humidity and moderate temperature. Given the modest humidity stability of the MOF, triaxial impedance analyses on a single crystal was performed and confirmed bulk proton conductivity over 10(-3) S cm(-1) along two axes corroborating the data from the pellet.

引用

页码：7176 / 7179

页数：4

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