Insights on photocatalytic dye inactivation and antimicrobial activity of pH-dependent facile synthesised copper oxide nanoparticles

Dhas, C. Ravi; Malar, K. C. Mercy Gnana; Venkatesh, R.; Arivukarasan, D.; Monica, S. Esther Santhoshi; Keerthana, S.

doi:10.1007/s00339-021-05036-0

Cited by 5 publications

(2 citation statements)

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“…The pure CuO nanoparticles under sunlight irradiation exhibit better degradation due to their e-h pair restriction [42]. The UV light irradiation induces the OH radicals which can dissociate the dye compounds into noxious products [43][44][45][46]. The lowest bandgap and combination of other materials enhanced the catalytic activity because of their large surface area and electron tapping on the surface [45][46][47].…”

Section: Photocatalyst Comparison Of Cuo-based Nanomaterialsmentioning

confidence: 99%

“…The UV light irradiation induces the OH radicals which can dissociate the dye compounds into noxious products [43][44][45][46]. The lowest bandgap and combination of other materials enhanced the catalytic activity because of their large surface area and electron tapping on the surface [45][46][47]. The large surface area and metal tapping on the surface increase the free radical formation.…”

Section: Photocatalyst Comparison Of Cuo-based Nanomaterialsmentioning

confidence: 99%

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Green method for synthesis and characterization of copper oxide nanoparticles using Mulberry plant extract and their antibacterial, antioxidant and photocatalytic activity

Shkir¹

2022

Phys. Scr.

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The green synthesis of metal oxide nanoparticles is treated to be an eco-friendly path and cost-effectiveness. Mulberry plant extract was used to synthesize CuO nanoparticles in this study. UV spectroscopy absorbance at 370 nm was used to analyze the resulting synthesized nanoparticles. The distribution of nanoparticles and particle sizes were discovered to be in the range of 40-60 nm using scanning electron microscopy. Copper nanoparticles have characteristic diffraction peaks in the X-ray diffraction spectrum at 38.81°, and 66.35° which correspond to lattice planes (111) and (202), respectively. The antioxidant and antibacterial activity of the CuO nanoparticles was tested against gram-positive and gram-negative microorganisms. The results support the hypothesis that green synthesized CuO NPs could be a viable treatment option for diseases caused by microbial pathogens. This fact-finding result is that Mulberry plant extract-based green synthesized CuO nanoparticles destroyed or considerably inhibited pathogen activity, as well as having high antioxidant activity.

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