Citation: YU You-Yi, ZHANG Heng-Qiang. Reduced Graphene Oxide Coupled Magnetic CuFe2O4-TiO2 Nanoparticles with Enhanced Photocatalytic Activity for Methylene Blue Degradation[J]. Chinese Journal of Structural Chemistry, ;2016, 35(3): 472-480. doi: 10.14102/j.cnki.0254-5861.2011-1041
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CuFe2O4-TiO2/graphene nanocomposites have been prepared via a one-step hy-drothermal method, and the as-prepared CuFe2O4-TiO2/graphene was characterized by X-ray powder diffraction, Raman spectroscopy, scanning electron microscopy and transmission electron microscopy. The transmission electron microscopy demonstrated that CuFe2O4-TiO2 nanoparticles were successfully dispersed on the graphene sheets. Photocatalytic activity of nanocomposites was evaluated in terms of degradation of methylene blue (MB) dye solution under visible light radiation. Results showed that the photocatalytic efficiency of CuFe2O4-TiO2/graphene nanocomposites was higher than its individual pure oxides (CuFe2O4 or TiO2) and TiO2/graphene. The enhancing photocatalytic activity performance of the CuFe2O4-TiO2/graphene nanocomposites may attributed to the mutual effect between the CuFe2O4, TiO2 nanoparticles and the graphene sheets. Moreover, CuFe2O4 nanoparticles have excellent magnetic property, which makes the CuFe2O4-TiO2/graphene heteroarchitecture magnetically recyclable in a suspension system.
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Keywords:
- photocatalysts,
- magnetic,
- CuFe2O4-TiO2,
- graphene
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