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A 3D luminescent Zn(II) MOF for the detection of high explosives and the degradation of organic dyes: an experimental and computational study

Abstract

A new metal–organic framework, formulated as {[Zn2(L)(DMF)3]·2DMF·2H2O} (1), has been synthesized using a symmetrical rigid carboxylate ligand terphenyl-3,3ʹʹ,5,5ʹʹ-tetracarboxylic acid (H4L). Single-crystal X-ray diffraction analysis shows that 1 possess 3D uninodal 4-c lonsdaleite (lon) topology based on binuclear Zn clusters. 1 behaves as a fluorescent chemosensor for highly selective and sensitive detection of Fe3+/Fe2+ ions, 2,4-dinitrophenol (2,4-DNP), p-nitrophenol (PNP) and 2,4,6-trinitrophenol (TNP). Furthermore, the photocatalytic properties of 1 for degradation of the methyl violet (MV) and Rhodamine B (RhB) have been explored. The possible emission quenching of 1 in presence of aromatic compounds have been addressed by theoretical calculations and the photocatalytic activity of 1 against organic dyes have been addressed using density of states (DOS) calculations.

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Publication details

The article was received on 21 Jul 2017, accepted on 04 Oct 2017 and first published on 04 Oct 2017


Article type: Paper
DOI: 10.1039/C7CE01341H
Citation: CrystEngComm, 2017, Accepted Manuscript
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    A 3D luminescent Zn(II) MOF for the detection of high explosives and the degradation of organic dyes: an experimental and computational study

    J. Liu, A. Kumar, B. Li, R. Prasad, S. R. Batten, J. Wu, J. Jin and Y. He, CrystEngComm, 2017, Accepted Manuscript , DOI: 10.1039/C7CE01341H

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