Abstract
In this article, γ-Fe2O3 and CuO nanoparticles were synthesized by precipitation method without using surfactant or using green surfactants. Then the γ-Fe2O3-CuO nanocomposites were fabricated. The XRD was used to investigate the crystalline lattice of γ-Fe2O3 and CuO nanoparticles and γ-Fe2O3-CuO nanocomposites. The CuO and γ-Fe2O3 particles have monoclinic and cube phases, respectively. The Scherrer formula calculated average particle crystallite size about 19, 23, and 18 nm for γ-Fe2O3, CuO, and γ-Fe2O3-CuO, respectively. The morphology, shape, and size of products were characterized via SEM and TEM. The medium size of all nanostructures was estimated under 100 nm. The hysteresis curve of γ-Fe2O3 was investigated via a vibrating sample magnetometer (VSM). The synthesized γ-Fe2O3 nanoparticles are a soft ferromagnetic and had a coercivity about 20 Oe. Photocatalytic properties of Fe2O3-CuO composites were checked out via the decay of acid blue, acid violet, and acid black azo dyes in UV light irradiation. The nanocomposites have a photocatalyst degradation about 90% in 10 minutes under UV light irradiation, which has a significant advantage over other works done.
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ATF performed writing—original draft, writing, and formal analysis; MG contributed to writing—original draft, writing—review and editing, formal analysis, visualization, and project administration; KH contributed to writing—original draft, writing—review and editing, methodology, and formal analysis.
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Farahani, A.T., Goodarzi, M. & Hedayati, K. Synthesis of γ-Fe2O3-CuO nanocomposite: structural and magnetic study and its application for degradation of toxic pollutants. J Mater Sci: Mater Electron 33, 23761–23769 (2022). https://doi.org/10.1007/s10854-022-09134-4
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DOI: https://doi.org/10.1007/s10854-022-09134-4