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Pyrene Based Chemosensor for Selective Sensing of Fluoride in Aprotic and Protic Environment
Soma Mukherjee1, Amit Kumar Paul2
1Department of Environmental Science, University of Kalyani, Nadia, Kalyani, 741 235, West Bengal, India. sommukh445@yahoo.co.in.
Abstract:
A new aromatic hydrazone based on pyrene-1-aldehyde was synthesized and characterized by (1)H NMR and mass spectrometric analyses. The sensing properties of the hydrazone were studied by absorption and fluorescence studies in the aprotic solvent DMSO. It was capable of visual and fluorescent detection of fluoride over competitive ions (Cl(-), Br(-), H2PO4 (-), AcO(-)). Moreover, the in-situ prepared iron(III) complex of the hydrazone was investigated as a turn off fluorescent fluoride sensor in aqueous medium by displacement mechanism.
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