Abstract
We synthesized a fluorescence receptor 2,2-(pyridine-2,6-diylbis(azanediyl))bis(methylene)diphenol (2) and report it as a photoinduced electron transfer (PET) cation sensor that is capable of indicating the presence of Fe3+ ion via a fluorescence signal. It was observed that fluorescence intensity changes and quenched. The association constant (Ka) of receptor (2) with Fe3+ ions was calculated from Benesi–Hildebrand and Scatchard Plot at 1.60 and 1.30×104M−1 respectively.
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