Research Article
Performance of NiFe2O4-SiO2-TiO2 Magnetic Photocatalyst for the Effective Photocatalytic Reduction of Cr(VI) in Aqueous Solutions
Figure 5
TEM micrographs of (a) NiFe2O4-SiO2 nanoparticle, (b) NiFe2O4-TiO2, (c) NiFe2O4-SiO2-TiO2, and (d) TiO2 photocatalysts.
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