Abstract
In the present research work, Schiff base ligand was synthesized by the condensation reaction of 3,4-diaminotoluene with salicylaldehyde. Ligand was used for complexation with various metals such as Mn, Fe, Co, Ni, Cu and Zn. Characterization was made by IR, NMR, UV–Vis and fluorescence studies. The structural characterizations were made on the basis of resonance peaks observed in 1HNMR spectra and presence of bands in FTIR spectra. Shifting of peaks in 1HNMR spectra and functional group positions in the FTIR spectra are discussed in relation with complexation. Optical characterizations were made on the basis of transitions in absorption and emission processes. Out of the metal complexes studied, Zn complex shows maximum fluorescence intensity. The Zn complex in solution form also shows strong glow when exposed to UV lamp. Photometric parameters, quantum yield and HOMO-LUMO gap were estimated in order to see the possible application of Zn complex in display devices.
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