Published January 1, 2014
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Highly selective fluoride sensing via chromogenic aggregation of a silyloxy-functionalized tetraphenylethylene (TPE) derivative
- 1. Bilkent Univ, UNAM, Natl Nanotechnol Res Ctr, TR-06800 Ankara, Turkey
- 2. Bilkent Univ, Dept Chem, TR-06800 Ankara, Turkey
Description
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. (C) 2013 Elsevier Ltd. All rights reserved.
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