Abstract
In this paper, we report on the photodegradation of methylene blue (MB) using Er2O3-coated silicon nanowires as photocatalyst under UV and visible light irradiation. The silicon nanowires (SiNWs) were synthesized by Ag-assisted electroless etching on which Er was electrodeposited by Chronoamperometric method. The samples were analyzed by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). The results showed that Er2O3 was uniformly formed on silicon nanowires. The samples showed a high efficiency for the MB photodegradation especially, under UV light irradiation where a degradation rate of 100% was obtained after 90 min.
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We gratefully acknowledge the financial support from Algerian Scientific Research and Technology Development (DGRSDT, MESRS).
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Brik, A., Naama, S., Hadjersi, T. et al. Photodegradation of methylene blue under UV and visible light irradiation by Er2O3-coated silicon nanowires as photocatalyst. Reac Kinet Mech Cat 131, 525–536 (2020). https://doi.org/10.1007/s11144-020-01862-0
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DOI: https://doi.org/10.1007/s11144-020-01862-0