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

被引：143
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
收藏
页码：7176 / 7179
页数：4
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