Stibonium Ions for the Fluorescence Turn-On Sensing of F– in Drinking Water at Parts per Million Concentrations

The 9-anthryltriphenylstibonium cation, [1]+, has been synthesized and used as a sensor for the toxic fluoride anion in water. This stibonium cation complexes fluoride ions to afford the corresponding fluorostiborane 1-F. This reaction, which occurs at fluoride concentrations in the parts per millio...

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Bibliographic Details
Published inJournal of the American Chemical Society Vol. 134; no. 37; pp. 15309 - 15311
Main Authors Ke, Iou-Sheng, Myahkostupov, Mykhaylo, Castellano, Felix N, Gabbaï, François P
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 19.09.2012
Amer Chemical Soc
Subjects
Anions
Chemistry
Chemistry, Multidisciplinary
Drinking Water - analysis
Fluorescence
Fluorides - analysis
Physical Sciences
Science & Technology
Spectrometry, Fluorescence
ANIONS
GOLD
COMPLEXATION
ENHANCEMENT
FLUORIDE
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Summary:The 9-anthryltriphenylstibonium cation, [1]+, has been synthesized and used as a sensor for the toxic fluoride anion in water. This stibonium cation complexes fluoride ions to afford the corresponding fluorostiborane 1-F. This reaction, which occurs at fluoride concentrations in the parts per million range, is accompanied by a drastic fluorescence turn-on response. It is also highly selective and can be used in plain tap water or bottled water to test fluoridation levels.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja308194w