Abstract

Inexpensive and environmentally friendly synthesis of copper oxide nanoparticles (CuO NPs) was produced using microwave-assisted green synthesis method. In this method, microwave (ME731K Solo with Ceramic enamel, 20 L) was used. the effect of time was examined to produce CuO NPs. Nanoparticles were produced when micro waves (800 watts) irradiated a solution of CuSO4.5H2O mixed with sweet orange extract (Citrus Sinensis). The fabricated CuO nanoparticles of C. Sinensis were further characterized by UV-Visible spectroscopy (UV-Vis). Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). Time variation has been used in the preparation of CuO NPs. UV-Vis test showed the formation of CuO NPs at the absorbance peak around 270-300 nm. Time variation affects the wavelength shift and the absorbance level is an indication of the concentration of the amount of nanoparticles produced. FTIR spectra identified functional biomolecules from the nanoparticles at a wavelength of 618 nm. X-ray diffraction (XRD) analysis revealed the crystalline structure of the copper nanoparticles at 36°.

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