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Green synthesis of multifunctional carbon coated copper oxide nanosheets and their photocatalytic and antibacterial activities
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Journal Article
Green synthesis of multifunctional carbon coated copper oxide nanosheets and their photocatalytic and antibacterial activities
2021
Overview
The studies of metal oxides in environmental remediation of chemical and biological pollutants are gaining colossal importance. Herein, we report the facile synthesis of multifunctional copper oxide nanosheets (CuO NS) using an aqueous extract of
Rhazya stricta.
The phytochemical investigation of
R. stricta
indicated the presence of saponins, tannins, and reducing sugars, responsible for the reduction and stabilization of CuO NS. A UV–Visible spectrophotometer initially confirmed the fabrication of CuO NS with specific Surface Plasmon Resonance at 294 nm. Field Emission Scanning Electron Microscopy (FE-SEM), Fourier-transform infrared spectroscopy FTIR, and XRD were further used to characterize the CuO NS. The obtained CuO NS were poly-dispersed with an average size of 20 nm. Interestingly these particles were aligned together in 3D cubical sheets layered above each other via self-assembly. The as-synthesized CuO NS showed enhanced antibacterial potential (17.63 mm, overall mean inhibition zone) in comparison to the known antibiotics (11.51 mm, overall mean inhibition zone) against both
Solanaceous
crop's wilt-causing bacteria (
Ralstonia solanacearum
and
Clavibacter michiganensis
). Furthermore, the appreciable photocatalytic potential of CuO NS has also been observed, causing 83% degradation of methylene blue (MB) upon solar irradiation. The synthesis methodology is devoid of any toxic waste or by-products. It could be used to produce eco-friendly CuO nanomaterial for industrial uses.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 639/638
/ 639/925
/ 704/172
/ 704/4111
/ Copper
/ Humanities and Social Sciences
/ Saponins
/ Scanning electron microscopy
/ Science
/ Wilt
