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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

Che, W.; Li, G.; Liu, X.; Shao, K.; Zhu, D.; Su, Z.; Bryce, M.R.

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


Authors

W. Che

G. Li

X. Liu

K. Shao

D. Zhu

Z. Su



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.

Citation

Che, W., Li, G., Liu, X., Shao, K., Zhu, D., Su, Z., & Bryce, M. (2018). Selective sensing of 2,4,6-trinitrophenol (TNP) in aqueous media with “aggregation-induced emission enhancement” (AIEE)-active iridium(III) complexes. Chemical Communications, 54(14), 1730-1733. https://doi.org/10.1039/c7cc08832a

Journal Article Type Article
Acceptance Date Jan 2, 2018
Online Publication Date Jan 29, 2018
Publication Date Feb 18, 2018
Deposit Date Jan 8, 2018
Publicly Available Date Jan 9, 2018
Journal Chemical Communications
Print ISSN 1359-7345
Electronic ISSN 1364-548X
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 54
Issue 14
Pages 1730-1733
DOI https://doi.org/10.1039/c7cc08832a

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