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- W4385612940 abstract "A facile ecofriendly green synthesis method for highly stable nickel oxide nanoparticles have been developed using aqueous extract of a marine edible alga, Ulva sp.. The formation of nanoparticles was confirmed by a distinct broad band at 314 nm in the UV-Vis spectrum. The optical band gap of the NiO nanoparticles is estimated to be ∼3.54 eV. The occurrence of νNi-O band at 612 cm-1 in the FT-IR spectrum confirmed the formation of the NiO. The XRD profile suggested a fcc lattice structure with average nanoparticles size of 12.29 nm. The microstrain and the dislocation density values calculated from the Williamson-Hall (W-H) plot suggested a defect rich NiO nanostructures, which was also corroborated by Raman spectroscopy. The NiO NPs exhibited superparamagnetic behavior. The HR-TEM analysis revealed predominantly spherical and quasi-spheroidal NiO NPs with size in the range of 5-20 nm. Retrievable and reusable the as-prepared nanoparticles served as efficient catalyst for almost complete and faster reduction of 4-nitrophenol at low catalyst concentration. Further, the biogenically accessed NiO nanoparticles showed pronounced antimicrobial activity." @default.
- W4385612940 created "2023-08-07" @default.
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- W4385612940 date "2023-10-01" @default.
- W4385612940 modified "2023-10-18" @default.
- W4385612940 title "Marine alga-mediated facile green synthesis, antibacterial and enhanced catalytic activity of highly stable superparamagnetic NiO nanostructure" @default.
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- W4385612940 doi "https://doi.org/10.1016/j.inoche.2023.111182" @default.
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