Economical Chemical Synthesis and characterization of multifunctional Bi36Fe2O57polycrystalline Ceramic catalyst
Research Square (Research Square)(2022)
摘要
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.
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关键词
multifunctional bi36fe2o57polycrystalline ceramic catalyst,economical chemical synthesis
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