In the present studies, a series of transition metal Ni(II), Mn(II), Co(II) and Cu(II) complexes were synthesized using a Schiff base ligand formed by condensation reaction of p-phenylenediamine with 2-hydroxy-1-naphthaldehyde. The prepared ligand and complexes were characterized by FTIR, HNMR, UV–Vis and fluorescence techniques. The peak in the HNMR spectra as well as important band in the FTIR spectra is discussed in relation to the molecular structure. Quantum yield of the prepared samples was calculated by taking quinine sulphate as a reference solvent. The quantum yield and fluorescence intensity of Ni(II), Mn(II) and Co(II) complexes were found to be more compared to Cu (II) complex and ligand. The photometric parameters were also calculated for ligand and complexes.
Optical and Quantum Electronics – Springer Journals
Published: Aug 20, 2017
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