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A multifunctional Eu-CP as a recyclable luminescent probe for the highly sensitive detection of Fe3+/Fe2+, Cr2O72−, and nitroaromatic explosives

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Abstract

A novel 2D lanthanide coordination polymer {Eu-CP (1)} based on a 3-bis(3-carboxyphenyl)imidazolium (L) ligand was successfully assembled through a solvothermal method. Luminescence tests indicate that 1 has excellent selectivity and sensitivity to detect Fe3+/Fe2+, Cr2O72−, and a series of nitroaromatic explosives. Interestingly, 1 can effectively distinguish CrVI anions (CrO42−/Cr2O72−), which is difficult for most of the reported CPs. Furthermore, in the detection process, 1 can be simply and quickly regenerated and reused at least five times. As far as we know, 1 is the first multifunctional Eu-CP used as a luminescent probe to detect Fe3+/Fe2+, Cr2O72−, and a series of nitroaromatic explosives (NAEs) based on the imidazolium derivative.

Graphical abstract: A multifunctional Eu-CP as a recyclable luminescent probe for the highly sensitive detection of Fe3+/Fe2+, Cr2O72−, and nitroaromatic explosives

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Publication details

The article was received on 17 Apr 2018, accepted on 11 May 2018 and first published on 17 May 2018


Article type: Paper
DOI: 10.1039/C8DT01518J
Citation: Dalton Trans., 2018, Advance Article
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    A multifunctional Eu-CP as a recyclable luminescent probe for the highly sensitive detection of Fe3+/Fe2+, Cr2O72−, and nitroaromatic explosives

    Y. Yang, F. Qiu, C. Xu, Y. Feng, G. Zhang and W. Liu, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C8DT01518J

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