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Article – Journal of Nanoscience and Technology

Journal of Nanoscience and Technology, Volume 4,Issue 4,2018 Pages 435-438

Synthesis and Characterization of Nano Ag2O and Cu(OH)2 by Solution Reduction Method and Their Antibacterial Studies
R. Rajakumari*, C. Priya, A. Srilekha


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Silver oxide (Ag2O) and copper(II)hydroxide (Cu(OH)2) nanoparticles were synthesized through a simple solution reduction method using silver nitrate (AgNO3) and copper sulphate pentahydrate (CuSO4.5H2O) in the presence of sodium hydroxide (NaOH) as reducing agent. X-ray diffraction (XRD) analysis, scanning electron microscopic (SEM) analysis, Fourier transform infrared spectroscopic (FT-IR) analysis, UV-absorption and photoluminescence (PL), vibrating sample magnetometer (VSM) studies were performed to confirm the size distribution measurement, surface morphology, optical and magnetic properties of the synthesized samples. Silver nanoparticles synthesized in the form of Ag2O and copper in the form of Cu(OH)2 was confirmed by the XRD study. The UV-Vis absorption analysis indicates that the absorption peak for Ag2O in the lower wavelength region of the optical spectrum. The sharp intensity peaks in the FTIR spectrum of Ag2O and Cu(OH)2 indicate the stretching and bending frequencies of the molecular functional groups in the samples as well as their high crystalline nature. The SEM images show the shape of Ag2O nanoparticles is nearly spheroid. The VSM study of Cu(OH)2 shows ferromagnetic interaction at room temperature. The antibacterial properties of Ag2O and Cu(OH)2 on Staphylococcus aureus and Escherichia coli indicate that both the samples are effective on Staphylococcus aureus, which is concentration dependent.
Keywords: Solution Reduction Method; Ferromagnetic Interaction; Antibacterial Studies;

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