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- W2909711924 abstract "In this research, the CoFe<sub>2</sub>O<sub>4</sub> and CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> nanocomposites have been synthesized using the co-precipitation method, and the microstructural properties of the samples were characterized using X-ray diffraction methods (XRD). The photodegradation activity of methylene blue for both nanocomposites were also investigated. The XRD pattern of CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> nanocomposites revealed that the sample was polycrystalline and had a spinel crystal structure with group space of Fd3m. The size of crystallite nanoparticle is 29.4 ± 0.2 nm for CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> and 26.8 ± 0.2 nm for CoFe<sub>2</sub>O<sub>4</sub>. The CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> nanocomposites have smaller optical band gap compared to bare CoFe<sub>2</sub>O<sub>4</sub> due to smaller surface defect and larger particles size. The CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> nanocomposites showed a more energetic photodegradation activity of methylene blue than CoFe<sub>2</sub>O<sub>4</sub>. The encapsulation of the SiO<sub>2</sub> matrix on the surface CoFe<sub>2</sub>O<sub>4</sub> nanoparticles enhances the photodegradation activity. Based on the result, nanocomposites CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> and CoFe<sub>2</sub>O<sub>4</sub> are prospective as nano-photocatalyst and nano-adsorbent for organic pollutants." @default.
- W2909711924 created "2019-01-25" @default.
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- W2909711924 date "2019-01-01" @default.
- W2909711924 modified "2023-10-04" @default.
- W2909711924 title "Characterization of microstructural and optical CoFe<sub>2</sub>O<sub>4</sub>/SiO<sub>2</sub> ferrite nanocomposite for photodegradation of methylene blue" @default.
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- W2909711924 doi "https://doi.org/10.3934/matersci.2019.1.45" @default.
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