Abstract
A new ligand (L), N,N′-bis(2-hydroxybenzyl)-1,2-diaminoethane, was synthesized and characterized. The sensing behavior of L toward various metal ions was investigated by spectrofluorometric and UV-Vis spectrophotometric methods. The sensor displayed selective and sensitive recognition toward Fe3+ and Fe2+ in acetonitrile. The fluorescence of L was quenched mainly by Fe3+, and a considerable enhancement of fluorescence was observed in the presence of Zn2+. Using multivariate hard modeling and stoichiometry, the concentration, spectral profiles, and formation constants of the studied complexes were calculated.
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