Highly selective fluoride sensing via chromogenic aggregation of a silyloxy-functionalized tetraphenylethylene (TPE) derivative |
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| Authors: | Ilke Simsek Turan Fatma Pir Cakmak Fazli Sozmen |
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| Institution: | 1. UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey;2. Department of Chemistry, Bilkent University, Ankara 06800, Turkey |
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| Abstract: | A silyloxy-functionalized tetraphenylethylene (TPE) derivative shows a remarkable change in the absorption spectrum on deprotection with fluoride ions. The reaction process is highly selective for fluoride and the resulting charge transfer band results in a bright green solution. A simple selective visual assay of aqueous fluoride ions was also obtained by the impregnation of cellulose strips with the TPE derivative. |
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| Keywords: | Fluoride sensing TPE Chromogenic aggregation Fluoride ions Selectivity |
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