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Issue 14, 2017
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Multifunctional indium complexes with fluorescent sensing and selective adsorption dye properties

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Abstract

Under hydrothermal conditions, four new complexes [InCl2(Hphth)(4,4′-bipy)0.5(H2O)]·2H2O (H2phth = phthalic acid, 4,4′-bipy = 4,4′-bipyridine) (1), [InCl4(4,4′-bipyH)(H2O)] (2), [InCl(Hphth)(nia)(H2O)2] (Hnia = nicotinic acid) (3), [InCl(Hnia)2(Hox)2]·3H2O (H2ox = oxalic acid) (4) were synthesized by the reaction of Indium chloride (InCl3) as the metal source with H2phth, Hnia, 4,4′-bipy and H2ox as the ligands. The single-crystal X-ray diffraction analysis revealed that the complexes 1, 3 and 4 have 3D supramolecular structures with hydrogen bonding interactions and, complex 2 has an extended one-dimensional chain structure, which further forms a 2D supramolecular sheet structure. We discussed and proved the fluorescence sensing functions of these complexes for the different thiamine (TPP, TCl) biomolecules based on a “turn-on” manner. In addition, it is fascinating that these complexes have different potential adsorption characteristics and the adsorption performance of complex 1 was observed to be better than the others. The photoluminescence and dye selective adsorption properties of these complexes have been studied for the first time.

Graphical abstract: Multifunctional indium complexes with fluorescent sensing and selective adsorption dye properties

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Publication details

The article was received on 27 Feb 2017, accepted on 05 Jun 2017 and first published on 05 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ00680B
Citation: New J. Chem., 2017,41, 6883-6892
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    Multifunctional indium complexes with fluorescent sensing and selective adsorption dye properties

    L. J. Zhang, F. Y. Bai, X. Gao, N. Du, Y. H. Xing and L. X. Sun, New J. Chem., 2017, 41, 6883
    DOI: 10.1039/C7NJ00680B

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