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Issue 14, 2018
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Selective sensing of 2,4,6-trinitrophenol (TNP) in aqueous media with “aggregation-induced emission enhancement” (AIEE)-active iridium(iii) complexes

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Abstract

A series of new phosphorescent cyclometalated iridium(III) complexes which possess aggregation-induced emission enhancement (AIEE) detect 2,4,6-trinitrophenol (TNP) selectively with high quenching constants in aqueous media. The sensing mechanism was systematically investigated by mass spectrometry, 1H and 19F NMR spectroscopy. X-ray crystal structure analysis reveals an O–H⋯O interaction between TNP and the ancillary ligand which explains the high selectivity for TNP compared to other nitro-aromatics.

Graphical abstract: Selective sensing of 2,4,6-trinitrophenol (TNP) in aqueous media with “aggregation-induced emission enhancement” (AIEE)-active iridium(iii) complexes

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Supplementary files

Article information


Submitted
16 Nov 2017
Accepted
02 Jan 2018
First published
29 Jan 2018

This article is Open Access

Chem. Commun., 2018,54, 1730-1733
Article type
Communication

Selective sensing of 2,4,6-trinitrophenol (TNP) in aqueous media with “aggregation-induced emission enhancement” (AIEE)-active iridium(III) complexes

W. Che, G. Li, X. Liu, K. Shao, D. Zhu, Z. Su and M. R. Bryce, Chem. Commun., 2018, 54, 1730
DOI: 10.1039/C7CC08832A

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