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

Research output: Contribution to journalArticlepeer-review

28 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 languageEnglish
Article numbere99930
JournalPLoS ONE
Volume9
Issue number6
DOIs
Publication statusPublished - 13 Jun 2014

Scopus Subject Areas

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

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