Synthesis, Characterization and luminescent studies of Europium (III) and Terbium (III) complexes with 1,2,4-Triazole and1,3-diphenylpropane-1,3-dione Derived Schiff Base ligand

Author(s)	Ms. Seema Chaturvedi, Dr. S.K. Pandey, Prof. O.P. Pandey
Country	India
Abstract	Europium (III) and Terbium (III) complexes of types [Eu(L)Cl(H2O)] and [Tb(L)Cl(H2O)] (H2L =Schiff base derived from condensation of 3-(phenyl/substituted phenyl)-4-amino-5-mercapto-1,2,4-triazole with 1,3-diphenylpropane-1,3-dione have been synthesized by the reactions of anhydrous europium (III) chloride and anhydrous terbium (III) chloride with Schiff bases in ethanol. The obtained complexes were characterized on the basis of elemental analysis, spectroscopic measurement including elemental analysis, electronic spectroscopy, IR spectra, 1H-NMR, magnetic moment, electrical conductance. The photoluminescence properties of europium (III) and terbium (III) complexes have also been studied. Europium (III) and Terbium (III) complexes show very strong characteristic emission in red and green regions, respectively.
Keywords	1,24-triazole, photoluminescence, Europium, Terbium IR.
Field	Chemistry
Published In	Volume 7, Issue 3, May-June 2025
Published On	2025-06-09
DOI	https://doi.org/10.36948/ijfmr.2025.v07i03.47539
Short DOI	https://doi.org/g9pz6h

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