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Proton conduction in a new 3-D open-framework vanadoborate with an abundant hydrogen bond system

Abstract

A novel open-framework vanadoborate (H2en)4H2[V12B18O54(OH)6(H2O)]•11H2O (1, en = ethylenediamine) has been hydrothermally synthesized and structurally characterized. The framework is constructed by discrete [V12B18O54(OH)6(H2O)]10− polyanion clusters with H2en2+ as counterions. An extended network of hydrogen bonds among polyanions, cations and crystal water molecules link the structure in three dimensions. These structural features endow our vanadoborate with unique proton conduction properties. This material shows a high proton conductivity of 1.87×10-4 S cm-1 at 333 K under the condition of 100% relative humidity, and the activation energy was estimated to be 0.38 eV.

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Publication details

The article was received on 13 Apr 2017, accepted on 10 Jun 2017 and first published on 16 Jun 2017


Article type: Paper
DOI: 10.1039/C7DT01334E
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Proton conduction in a new 3-D open-framework vanadoborate with an abundant hydrogen bond system

    X. Liu, D. Zhang, L. Li, X. Sun, L. Zhang and H. Yuan, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT01334E

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