Abstract
Herein, we synthesized a nanostructured Sn/Al codoped Fe2O3 photocatalyst by a simple and cost-effective hydrothermal approach followed by air annealing. The effect of in situ Sn and Al do** on the morphological, structural, and photocatalytic properties of hydrothermal Fe2O3-based photocatalysts has been studied. The presence of Al2O3/SnO2 and Sn/Al codo** in the 2%Al/6%Sn/Fe2O3 nanostructured photocatalyst is confirmed by the XPS analysis. The synergistic impact between Sn and Al codo** and Al2O3/SnO2 surface modification significantly improves the photocatalytic activity of Fe2O3-based photocatalysts for salicylic acid degradation. The optimum 2%Al/6%Sn/Fe2O3 nanostructured photocatalysts achieved 96.9% salicylic acid degradation efficiency within 150 min under the mimic solar light illumination. The possible electron transfer and radical generation during the photocatalytic reaction over pure and 2%Al/6%Sn/Fe2O3 nanostructured photocatalysts has been proposed. Therefore, this work could offer new insight into designing and understanding the synergistic role of Al2O3/SnO2 surface modification and Sn/Al codo** in the photocatalytic properties of the Fe2O3 photocatalysts for water treatment applications.
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Acknowledgements
The authors extend their sincere appreciation to the Researchers Supporting Project number (RSP2023R370), King Saud University, Riyadh, Saudi Arabia for the financial support.
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This work was supported by King Saud University Grant No. (RSP2023R370).
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NM: conceptualization, methodology, writing—original draft preparation, writing—reviewing NT: data curation, formal analyses, software. MT: formal analyses, data curation, MM: investigation, validation, supervision, writing—reviewing. SS: validation, supervision, funding acquisition, writing—reviewing.
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Meshram, N., Truong, N.T.N., Tamboli, M.S. et al. Highly efficient photocatalytic degradation of organic pollutants by Sn/Al codoped α-Fe2O3 nanostructures. J Mater Sci: Mater Electron 34, 1990 (2023). https://doi.org/10.1007/s10854-023-11397-4
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DOI: https://doi.org/10.1007/s10854-023-11397-4