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Title: Solvothermal synthesis of nanoscale disc‑like gadolinium doped magnesium zirconate for highly efficient photocatalytic degradation of rhodamine B in water
Authors: Akshatha, S.
Sreenivasa, S.
Kumar, Sandeep
+4 Co-Authors
Keywords: Gadolinium doped zirconia
Rhodamine B degradation
Nanoscale disc
Issue Date: May-2020
Publisher: Springer-Verlag
Citation: SN Applied Sciences, 2020, Vol.2, p876
Abstract: Highly ordered nanoscale disc-like cubic gadolinium doped magnesium zirconate (Gd:MgZrO3) was synthesized by facile solvothermal route. The reaction time was found to be crucial in determining the final morphology of disc-like Gd:MgZrO3. After studying the particles from time-dependent experiments, it is observed that, the formation of disc-like particles involved a complex process, in which rod-like or agglomerate particles were favorably formed after the initial thermal treatment. Owing to the chemical instability, they would turn into disc-like particles. After calcination, the generated product possessed good photocatalytic performance for the degradation of Rhodamine B (50 mg l−1) under UV light irradiation in contrast to morphologies of Gd:MgZrO3 and other related state-of-the-art photocatalysts (e.g., TiO2, ZnO, WO3, BiVO4, Fe2O3, and g-C3N4). The catalyst could be used for five cycles, maintaining its efficiency above 94.2%. These capacities made the disc-like Gd:MgZrO3 a potential candidate for polluted water treatment. Also, the underlying photocatalysis mechanism of Gd:MgZrO3 was proposed through radical trapping experiments.
Description: Restricted Access
ISSN: 2523-3963
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Copyright: 2020 Springer Nature Switzerland AG
Appears in Collections:Research Papers (SCM)

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