Journal
JOURNAL OF CHEMISTRY
Volume 2022, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2022/8913874
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Funding
- University of Ardabil Payamenoor
- Islamic Azad Germi University
- NUI Galway University
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A new Schiff base complex, Cu(H2L)(2), was prepared and used for the synthesis of CuO nanoparticles. The ligand and complex were characterized by various analyses, and the crystalline structure and antibacterial properties of the nanoparticles were studied.
A new Schiff base complex, Cu(H2L)(2) (H3L: 6,6'-((1E,1'E)-((azanediylbis(ethane-2,1-diyl))bis(azanylylidene)) bis(methanylylidene))bis(2-methoxyphenol)), through the reaction of ligand H3L with Cu(NO3)(2) 3H(2)O, in the ratio of 2 : 1 in methanol solvent was prepared. The obtained ligand (H3L) was characterized by FT-IR, C-13 NMR, H-1 NMR and elemental analyses. Then its copper(II) complex was prepared and characterized by FT-IR spectroscopy, thermal studies, elemental analyses and single crystal X-ray diffraction. The X-ray crystallography revealed that the two H3L ligands in bidentate fashion coordinated to one copper center for producing Cu(H2L)(2) complex. We used copper(II) Schiff base complex, Cu(H2L)(2), for the preparation of CuO nanoparticles via solid-state thermal decomposition. The crystalline structure of the product was studied by X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). XRD indicated that the new product was copper oxide. SEM image showed that the size of CuO nanoparticles was between 46 and 53 nm, and they had uniform shape. The antibacterial properties of the complex and ligand were also investigated. The results revealed that Schiff base complex showed higher biological activity than Schiff base ligand.
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