Economical Chemical Synthesis and characterization of multifunctional Bi36Fe2O57polycrystalline Ceramic catalyst

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https://www.researchsquare.com/article/rs-1861487/v1

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https://doi.org/10.21203/rs.3.rs-1861487/v1
 http://hdl.handle.net/11603/25552

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UMBC Chemistry & Biochemistry Department
UMBC Faculty Collection

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2022-08-03

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journal articles
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Abstract

Polycrystalline Bi36Fe2O57 (BFO) ceramic was prepared by an economical chemical route. The X-ray powder diffraction analysis shows the formation of single-phase BFO ceramic. Nanosized formation of BFO ceramic particles was characterized by XRD as well as TEM and had particle size 76 ± 10 nm range. The sillenite type Bi36Fe2O57 shows better photocatalytic activity for the methylene blue (MB) dye degradation under visible light exposure than the perovskite-based BiFeO3 due to the low band gap(1.8eV) of the former. The photocatalytic mechanism of MB degradation over Bi36Fe2O57 ceramic can be explained by the Langmuir-Hinshelwood model which reflects the adsorption-controlled photocatalytic process.