Published January 1, 2010
| Version v1
Journal article
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Reaction-Based Sensing of Fluoride Ions Using Built-in Triggers for Intramolecular Charge Transfer and Photoinduced Electron Transfer
Creators
- 1. Bilkent Univ, Inst Mat Sci & Nanotechnol, UNAM, TR-06800 Ankara, Turkey
- 2. Akdeniz Univ, Dept Chem, Fac Arts & Sci, TR-07058 Antalya, Turkey
Description
Two Bodipy derivatives with silyl-protected phenolic functionalities signal fluoride concentrations both in solution and in a poly(methyl methacrylate) matrix. The exact location of the "nascent" phenolate group Is Important. If it is at the meso position, photoinduced electron transfer is triggered; however, if it is in full conjugation via a styryl moiety to the Bodipy core, strong Intramolecular charge transfer is triggered, resulting in a large red shift in the absorbance peak. In either case, a selective methodology for fluoride sensing is the invariable result.
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