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Issue 4, 2015
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Naked-eye detection and thermochromic properties of Cu(II)-3,3′-thiodipropionate complexes with benzimidazole

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Abstract

Two new coordination complexes, namely, [Cu(tdp)(H2O)(bim)3]·4H2O (1) and {[Cu(μ2-tdp)(bim)2]·4H2O}n (2) (tdp = 3,3′-thiodipropionate, bim = benzimidazole), having naked-eye sensor properties and thermochromic behaviors, were synthesized and structurally characterized using elemental analysis, IR and UV spectra, and single-crystal X-ray diffraction, powder X-ray diffraction (PXRD) and thermal analyses (TG, DTA and DTG) techniques. Complex 1 changed color from blue to dark and light green in methanol and DMF solvents, respectively, while complex 2 changed color from light blue to light green only in DMF solvent. Moreover, complex 1 can be used to detect as little as 10 percent methanol in ethanol by the naked eye. The thermochromic properties of the complexes showed that complexes 1 and 2 changed color from blue and light blue to light and dark green at 65 °C, respectively.

Graphical abstract: Naked-eye detection and thermochromic properties of Cu(ii)-3,3′-thiodipropionate complexes with benzimidazole

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Publication details

The article was received on 12 Jul 2014, accepted on 11 Nov 2014 and first published on 12 Nov 2014


Article type: Paper
DOI: 10.1039/C4DT02119C
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Citation: Dalton Trans., 2015,44, 1627-1635
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    Naked-eye detection and thermochromic properties of Cu(II)-3,3′-thiodipropionate complexes with benzimidazole

    M. Arıcı, O. Z. Yeşilel and M. Taş, Dalton Trans., 2015, 44, 1627
    DOI: 10.1039/C4DT02119C

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