Abstract
In the present study, a fluorescent sensor L for sensing of Ce3+ion was designed and characterized by XRD,1HNMR, and FTIR. Its fluorescence behavior towards metal ion was examined by fluorescence spectroscopy. Chelation-enhanced fluorescence was shown by the sensor L upon interaction with Ce3+ion. This fluorescent sensor exhibits high sensitivity and selectivity towards Ce3+ion in acetonitrile solution, forming 2 : 1 (L : M) complex as determined by Job’s plot. Association constant was found to be1×107 M−1estimated from the Benesi-Hildebrand plot. No significant interference was observed in the presence of other studied alkali, alkaline, and transition metal ions. A rapid response was observed when employed for the determination of Ce3+ion in spiked water samples with a limit of detection equal to3.4×10−8 M.
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