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Issue 35, 2018
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Superprotonic conduction through one-dimensional ordered alkali metal ion chains in a lanthanide-organic framework

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Abstract

Although no evident hydrogen-bond network appears, an ultrahigh proton conductivity of 2.91 × 10−2 S cm−1 at 363 K and 90% RH with an ultralow activation energy of 0.10 eV was observed in an anionic lanthanide-organic framework Na2[Eu(SDB)2(COO)]·0.375DMF·0.4H2O (1); both values approach the records among all reported proton-conducting MOF materials. This suggests that the proton conduction process in 1 is reminiscent of the Grotthuss mechanism, which together reveals an effective proton transportation pathway associated with aligned Na+ and their coordinated water.

Graphical abstract: Superprotonic conduction through one-dimensional ordered alkali metal ion chains in a lanthanide-organic framework

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Publication details

The article was received on 23 Jan 2018, accepted on 02 Apr 2018 and first published on 03 Apr 2018


Article type: Communication
DOI: 10.1039/C8CC00572A
Citation: Chem. Commun., 2018,54, 4429-4432
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    Superprotonic conduction through one-dimensional ordered alkali metal ion chains in a lanthanide-organic framework

    X. Wang, Y. Wang, M. A. Silver, D. Gui, Z. Bai, Y. Wang, W. Liu, L. Chen, J. Diwu, Z. Chai and S. Wang, Chem. Commun., 2018, 54, 4429
    DOI: 10.1039/C8CC00572A

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