Abstract
This study concerns the preparation of sprayed binary molybdenum oxide, MoO3, thin films and ternary and quaternary derivatives by alloying. The characterization of their physical properties was carried out by X-ray diffraction, Raman spectroscopy, scanning electron microscopy, spectrophotometry and impedancemetry. It appears from the electrical study that the great value of resistance R corresponds to the NiMoO4 thin films. The equivalent ac circuit of these films is composed by a parallel resistor R and capacitor C connected together. This work also focused on the photocatalysis process applied to the studied samples. Under solar irradiation, the photocatalytic application was tested in terms of the degradation reaction of wastewater containing methylene blue. Under similar experimental conditions, the NiMoO4 thin film shows a higher rate of degradation than the other thin layers.
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Acknowledgements
We extend our appreciation to the Deanship of Scientific Research at Jouf University for funding this work through research Grant No. DSR2020-03-2580.
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Arfaoui, A., Mhamdi, A., Mubaraki, S.M.A. et al. Photocatalytic degradation of methylene blue dye via MoO3, NiMoO4, Co0.7Fe0.3(MoO4) and Fe2(MoO4)3 thin films prepared by spray pyrolysis technique. Bull Mater Sci 44, 260 (2021). https://doi.org/10.1007/s12034-021-02551-x
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DOI: https://doi.org/10.1007/s12034-021-02551-x