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Article – Journal of Advanced Chemical Sciences

Journal of Advanced Chemical Sciences, Volume 2,Issue 2,2016 Pages 230-232

Hydrothermal Synthesis, Characterization and Antibacterial Activity of NiO Nanoparticles
A. Santhoshkumar, Helen P. Kavitha*, R. Suresh

NiO nanoplates were synthesized by treating nickel sulphate and triethylamine (TEA) followed by annealing at 600 °C for 6 h. The formation of cubic phase NiO and crystalline nature were confirmed by X-ray diffraction (XRD) analysis. Fourier transform infrared (FTIR) spectroscopy confirms the existence of Ni-O bond in the sample. Light harvesting behaviour and band gap of NiO nanoplates were determined by UV-Visible spectroscopy. Field emission scanning electron microscopy (FE-SEM) and high resolution transmission electron microscopy (HR-TEM) reveal that the synthesized sample has plate-like morphology. Furthermore, antibacterial activity of NiO nanoplates was investigated and maximum zone of inhibition was found in 80 mg/mL NiO nanoplates against selected organisms.
Keywords: NiO; Nanoplates; Triethylamine; Antibacterial Activity;