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Issue 15, 2018
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An ingenious one-dimensional zirconium phosphonate with efficient strontium exchange capability and moderate proton conductivity

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Abstract

A new 1-D zirconium phosphonate [(CH3)2NH2]2[Zr(CH2(HPO3)(PO3))2] (SZ-5) was synthesized via a solvothermal reaction and its single crystal structure was elucidated. SZ-5 exhibits efficient strontium exchange capability with high uptake capacity and selectivity, as further demonstrated by the radioactive Sr-90 removal from a real contaminated seawater sample with an extremely high ionic strength. In addition, the measured proton conductivity at 90 °C and 90% relative humidity (RH) is 5.65 × 10−4 S cm−1. The efficient ion-exchange ability and the moderate proton conductivity suggest the potential applications of SZ-5 in fuel cells or in the remediation of contaminated water.

Graphical abstract: An ingenious one-dimensional zirconium phosphonate with efficient strontium exchange capability and moderate proton conductivity

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Publication details

The article was received on 06 Feb 2018, accepted on 06 Mar 2018 and first published on 06 Mar 2018


Article type: Communication
DOI: 10.1039/C8DT00508G
Citation: Dalton Trans., 2018,47, 5161-5165
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    An ingenious one-dimensional zirconium phosphonate with efficient strontium exchange capability and moderate proton conductivity

    J. Zhang, L. Chen, D. Gui, H. Zhang, D. Zhang, W. Liu, G. Huang, J. Diwu, Z. Chai and S. Wang, Dalton Trans., 2018, 47, 5161
    DOI: 10.1039/C8DT00508G

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