Journal
SUPRAMOLECULAR CHEMISTRY
Volume 25, Issue 6, Pages 344-348Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10610278.2013.783915
Keywords
viologen; amine detection; electron transfer; charge transfer; naked-eye detection
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Funding
- National Natural Science Foundation of China [21074004, 91227202]
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Three viologen derivatives with the ability to detect amines were synthesised. Upon interacting with amines, a rapid colour change caused by electron transfer and charge transfer between viologen derivatives and amines can be directly observed by naked eyes. With fluorine substituents, the detection sensitivity of these viologen derivatives for amines is remarkably enhanced to reach the level of ppm.
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