A colorimetric and luminescent dual-modal assay for Cu(II) ion detection using an iridium(III) complex

Edmond Dik Lung MA; Hong Zhang He; Daniel Shiu Hin Chan; Chun Yuen Wong; Chung Hang Leung

doi:10.1371/journal.pone.0099930

A colorimetric and luminescent dual-modal assay for Cu(II) ion detection using an iridium(III) complex

Edmond Dik Lung MA, Hong Zhang He, Daniel Shiu Hin Chan, Chun Yuen Wong, Chung Hang Leung

Department of Chemistry

Research output: Contribution to journal › Journal article › peer-review

33 Citations (Scopus)

Abstract

A novel iridium(III) complex-based chemosensor bearing the 5,6-bis(salicylideneimino)-1,10-phenanthroline ligand receptor was developed, which exhibited a highly sensitive and selective color change from colorless to yellow and a visible turn-off luminescence response upon the addition of Cu(II) ions. The interactions of this iridium(III) complex with Cu²⁺ ions and thirteen other cations have been investigated by UV-Vis absorption titration, emission titration, and ¹H NMR titration.

Original language	English
Article number	e99930
Journal	PLoS ONE
Volume	9
Issue number	6
DOIs	https://doi.org/10.1371/journal.pone.0099930
Publication status	Published - 13 Jun 2014

Scopus Subject Areas

Biochemistry, Genetics and Molecular Biology(all)
Agricultural and Biological Sciences(all)
General

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abstract = "A novel iridium(III) complex-based chemosensor bearing the 5,6-bis(salicylideneimino)-1,10-phenanthroline ligand receptor was developed, which exhibited a highly sensitive and selective color change from colorless to yellow and a visible turn-off luminescence response upon the addition of Cu(II) ions. The interactions of this iridium(III) complex with Cu2+ ions and thirteen other cations have been investigated by UV-Vis absorption titration, emission titration, and 1H NMR titration.",

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AU - Chan, Daniel Shiu Hin

AU - Wong, Chun Yuen

AU - Leung, Chung Hang

PY - 2014/6/13

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AB - A novel iridium(III) complex-based chemosensor bearing the 5,6-bis(salicylideneimino)-1,10-phenanthroline ligand receptor was developed, which exhibited a highly sensitive and selective color change from colorless to yellow and a visible turn-off luminescence response upon the addition of Cu(II) ions. The interactions of this iridium(III) complex with Cu2+ ions and thirteen other cations have been investigated by UV-Vis absorption titration, emission titration, and 1H NMR titration.

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A colorimetric and luminescent dual-modal assay for Cu(II) ion detection using an iridium(III) complex

Abstract

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