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Synthesis of magnetically recoverable ferrite (MFe2O4, M  Co, Ni and Fe)-supported TiO2 photocatalysts for decolorization of methylene blue

Paper ID Volume ID Publish Year Pages File Format Full-Text
49644 46757 2015 6 PDF Available
Title
Synthesis of magnetically recoverable ferrite (MFe2O4, M  Co, Ni and Fe)-supported TiO2 photocatalysts for decolorization of methylene blue
Abstract

•Co, Ni and Fe ferrite-supported TiO2 were synthesized by co-precipitation.•TiO2/MFe2O4 (MCo, Ni, Fe) were magnetically separable from solution.•TiO2/CoFe2O4 was most effective in photodegradation of methylene blue.•Efficiency of TiO2 was insignificantly influenced by CoFe2O4 support.

Effects of ferrite materials as supports (CoFe2O4, NiFe2O4, and Fe3O4) on nano-TiO2 were elucidated by their use in the oxidation of methylene blue. These photocatalysts, which were synthesized by co-precipitation, were characterized by XRD, SEM, EDS and VSM. The crystalline phase of TiO2 onto magnetic MFe2O4 was formed by anatase and rutile. TiO2/CoFe2O4 exhibited the strongest magnetic property of the prepared catalysts, and the photocatalytic efficiencies followed the order TiO2/CoFe2O4 > TiO2/NiFe2O4 > TiO2/Fe3O4. MB decolorization was enhanced with the amount of TiO2 on the photocatalyst, and was moderately affected by the extent of structural distortion of ferrite supports.

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Keywords
Co-precipitation; Magnetic materials; Nanocomposites; Photodegradation
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Synthesis of magnetically recoverable ferrite (MFe2O4, M  Co, Ni and Fe)-supported TiO2 photocatalysts for decolorization of methylene blue
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 72, 5 December 2015, Pages 127–132
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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