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Issue 28, 2017
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Proton conduction in a new 3-D open-framework vanadoborate with an abundant hydrogen bond system

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Abstract

Herein, a novel open-framework vanadoborate, (H2en)4H2[V12B18O54(OH)6(H2O)]·11H2O (1, en = ethylenediamine), was hydrothermally synthesized and structurally characterized. The framework was 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 links the structure in three dimensions. These structural features endow the present 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.

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

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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., 2017,46, 9103-9109
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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, 46, 9103
    DOI: 10.1039/C7DT01334E

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