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Cadmium(II) coordination polymers based on 2-(4-((E)-2-(pyridine-2-yl)vinyl)styryl)pyridine and dicarboxylate ligands as fluorescent sensors for TNP

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Abstract

Three Cd(II) coordination polymers [Cd(L)(p-BDC)] (1), [Cd(L)(m-BDC)] (2) and [Cd(L)(m-BDC-CH3)(H2O)] (3) are synthesized by introducing three carboxylic acids as auxiliary ligands to react with the ligand L and cadmium nitrate (L = 2-(4-((E)-2-(pyridine-2-yl)vinyl)styryl)pyridine, p-H2BDC = 1,4-benzenedicarboxylic acid, m-H2BDC = 1,3-benzenedicarboxylic acid, and m-H2BDC-CH3 = 5-methyl-1,3-benzenedicarboxylic acid). These complexes have different structures and fluorescence properties despite subtle changes in the ancillary ligands. All the coordination polymers can function as chemical sensors for sensing 2,4,6-trinitropheol (TNP) with high selectivity and sensitivity via the fluorescence quenching effect even in the presence of interfering substances. Furthermore, the complexes are stable enough to be recycled for detection at least five times.

Graphical abstract: Cadmium(ii) coordination polymers based on 2-(4-((E)-2-(pyridine-2-yl)vinyl)styryl)pyridine and dicarboxylate ligands as fluorescent sensors for TNP

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Publication details

The article was received on 09 Sep 2018, accepted on 20 Oct 2018 and first published on 22 Oct 2018


Article type: Paper
DOI: 10.1039/C8TC04557G
Citation: J. Mater. Chem. C, 2018, Advance Article
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    Cadmium(II) coordination polymers based on 2-(4-((E)-2-(pyridine-2-yl)vinyl)styryl)pyridine and dicarboxylate ligands as fluorescent sensors for TNP

    X. Zhang, J. Hua, J. Guo, Y. Zhao and W. Sun, J. Mater. Chem. C, 2018, Advance Article , DOI: 10.1039/C8TC04557G

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