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Updated: Mar 2, 2026
Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Single Crystal Proton Conduction Study of a Metal Organic Framework of Modest Water Stability
Biplab Joarder1, Jian-Bin Lin1, Zaida Romero1
1Department of Chemistry, University of Calgary , Calgary, Alberta T2N 1N4, Canada.
Abstract:
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 °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.
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