Abstract
A 1,2,3-triazole based ligand(L) was synthesized and investigated for its sensing abilities. The structure of the receptor L was determined by FT-IR, 1H NMR and 13C NMR spectroscopic techniques. The receptor L was constructed in such a way that the 1,2,3-triazole unit was acting as the binding part for the metal ion. It was found to sense exclusive Cu2+ at pH 7.0. the electronic spectroscopic study confirmed the formation of complex between Cu2+ and nitrogen of 1,2,3-triazole unit and it was highly selective even in presence of other metals like Ca2+, Cd2+, Hg2+, Mg2+, Mn2+, Ni2+, Co2+, Fe2+, Zn2+ and anions like F−, AcO−, Cl−, Br−, I−, SCN−. Fluorescence studies of the receptor reveal the formation of binding with copper and quench the emission of the parent ligand.
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