Abstract
In the present study, a modified solvothermal reaction of (hematite) with titanium(IV) butoxide and gold(III) chloride produced ternary Au@TiO2/α-Fe2O3 nanocomposite. The designed Au@TiO2/α-Fe2O3 photocatalyst exhibits nanoring-like structure with high crystallinity indicating the possibility of manufacturing extreme structures and offering a new nanostructure that was not previously studied. Both TiO2 and Au nanoparticles (NPs) were found to be dispersed uniformly on the α-Fe2O3 surface. X-ray diffraction powder technique combined with X-ray photoelectron (XPS) and Raman spectroscopy confirm the formation of the three materials with cubic Au, anatase TiO2 and hematite α-Fe2O3 structures, respectively. The photocatalytic activity proves the performance of this ternary heterojunction to decomposes different pollutants. It was found that, TiO2 absorbs UV-light, α-Fe2O3 absorbs both UV and Visible light and plasmonic gold NPs work as an electron mediator and therefore exhalt the photocatalytic efficiency of the ternary Au@TiO2/α-Fe2O3 photocatalyst. The present work delivers a novel perception to develop a stable photocatalyst based metal oxide/noble-metal hetero-nanostructure for the degradation of different types of pollutants in the industrial zones.
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This research was funded by the University of Taif, Saudia Arabia, Deanship of Scientific Research, Project No. 1-439-6069.
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Taif University, Grant/Award Number: 1-439-6069.
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Mezni, A., Ibrahim, M.M., Ben Saber, N. et al. Ternay Au@TiO2/α-Fe2O3 Nanocomposite with Nanoring Structure: Synthesis, Characterization and Photocatalytic Activity. J Inorg Organomet Polym 31, 4372–4379 (2021). https://doi.org/10.1007/s10904-021-02033-x
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DOI: https://doi.org/10.1007/s10904-021-02033-x