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Issue 45, 2017
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Exploration of an easily synthesized fluorescent probe for detecting copper in aqueous samples

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Abstract

An easily synthesized fluorescent probe for detecting copper in aqueous samples, with a short response time and at neutral pH, has been investigated. Through the chelation of Cu2+ ions or by binding to CuO nanoparticles, the fluorescence emission of the 2-(aminomethyl)aniline derivative H2L is quenched by over 50%. Spectroscopic determination of the association constants of H2L with some metal ions showed that the ligand has a higher affinity toward Cu2+ than toward other d-block metal ions. The comparative bonding ability of the aniline-based fluorescent probe in d-block metal complexes was studied in solution by a combination of UV-Vis, 1H NMR and mass spectrometry analyses. Besides these, the bonding behavior has been investigated in the solid state by X-ray diffraction, FT-IR spectroscopy and elemental analysis. The crystal structures of Pd2(L)2 and Co(L)(HL)(H2O) were elucidated.

Graphical abstract: Exploration of an easily synthesized fluorescent probe for detecting copper in aqueous samples

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Publication details

The article was received on 04 Aug 2017, accepted on 26 Oct 2017 and first published on 27 Oct 2017


Article type: Paper
DOI: 10.1039/C7DT02872E
Citation: Dalton Trans., 2017,46, 15827-15835
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    Exploration of an easily synthesized fluorescent probe for detecting copper in aqueous samples

    J. Sanmartín-Matalobos, A. M. García-Deibe, M. Fondo, M. Zarepour-Jevinani, M. R. Domínguez-González and P. Bermejo-Barrera, Dalton Trans., 2017, 46, 15827
    DOI: 10.1039/C7DT02872E

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