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Issue 22, 2014
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Chemiluminescence detection with water-soluble iridium(iii) complexes containing a sulfonate-functionalised ancillary ligand

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Abstract

The chemiluminescence from four cyclometalated iridium(III) complexes containing an ancillary bathophenanthroline-disulfonate ligand exhibited a wide range of emission colours (green to red), and in some cases intensities that are far greater than the commonly employed benchmark reagent, [Ru(bpy)3]2+. A similar complex incorporating a sulfonated triazolylpyridine-based ligand enabled the emission to be shifted into the blue region of the spectrum, but the responses with this complex were relatively poor. DFT calculations of electronic structure and emission spectra support the experimental findings.

Graphical abstract: Chemiluminescence detection with water-soluble iridium(iii) complexes containing a sulfonate-functionalised ancillary ligand

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Supplementary files

Article information


Submitted
25 Jul 2014
Accepted
11 Sep 2014
First published
12 Sep 2014

This article is Open Access

Analyst, 2014,139, 6028-6035
Article type
Paper

Chemiluminescence detection with water-soluble iridium(III) complexes containing a sulfonate-functionalised ancillary ligand

J. Truong, K. B. Spilstead, G. J. Barbante, E. H. Doeven, D. J. D. Wilson, N. W. Barnett, L. C. Henderson, J. M. Altimari, S. C. Hockey, M. Zhou and P. S. Francis, Analyst, 2014, 139, 6028
DOI: 10.1039/C4AN01366B

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