Abstract
In this study, a novel solvent-less processing route for producing NiO nanoparticles by solid-state thermal decomposition has been developed. Nickel(II) acetate nanostructures obtained by the sublimation of nickel(II) acetate powder have been used as a new starting reagent. The sublimation process of the Ni(OAc)2 powder was carried out in the range of 110–140 °C. The as-synthesized products were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, photoluminescence spectroscopy, and energy-dispersive spectroscopy. Then, effect of sublimation temperature on morphology of Ni(OAc)2 nanoparticles and consequently on the NiO nanoparticles was investigated. The results indicated that the synthesized NiO nanoparticles have a pure cubic structure with average size 20–50 nm. Finally, the efficiency of NiO nanoparticles as a photocatalyst for the decolorization of methylene blue using visible light irradiation has been evaluated.
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Authors are grateful to council of University of Shahid Bahonar of Kerman.
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Ranjbar, M., Taher, M.A. & Sam, A. NiO nanostructures: novel solvent-less solid-state synthesis, characterization and MB photocatalytic degradation. J Mater Sci: Mater Electron 26, 8029–8034 (2015). https://doi.org/10.1007/s10854-015-3458-5
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DOI: https://doi.org/10.1007/s10854-015-3458-5