Russian Journal of Physical Chemistry A

, Volume 91, Issue 13, pp 2643–2650 | Cite as

CoFe2O4@TiO2@Au Core-Shell Structured Microspheres: Synthesis and Photocatalyltic Properties

Physical Chemistry of Nanoclusters and Nanomaterials
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Abstract

A facile and efficient method for fabrication of magnetic composite microspheres CoFe2O4@TiO2@Au is demonstrated. The shells of anatase TiO2 were coated onto a magnetic CoFe2O4 core via liquid-phase deposition procedure, and then Au nanoparticles were deposited onto CoFe2O4@TiO2 microspheres through seed-mediated growth. XRD, TEM, and VSM were used to investigate the structure, morphology and magnetic properties of the samples, their photocatalytic activity were also tested. Heterostructure of CoFe2O4@TiO2@Au was confirmed by different measurements. Compared to unmodified CoFe2O4@TiO2 microspheres, CoFe2O4@TiO2@Au microspheres showed higher photocatalytic activity for Rhodamine B (RhB) degradation in water.

Keywords

magnetic photocatalyst core-shell structure liquid-phase deposition Au nanoparticle photocatalysis 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  1. 1.Shaanxi Province Key Laboratory of Catalytic Fundamentals and ApplicationsShaanxiP.R. China
  2. 2.School of Chemical and Environmental SciencesShaanxi University of TechnologyShaanxiP.R. China

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