Abstract
An effective procedure to synthesize of the FeTiO3/TiO2/Ag nanocomposites by a combination of sol–gel and photodeposition methods was introduced. The as prepared products were characterized using XRD, SEM, VSM, EDS, DRS, TEM, ICP-OES and IR techniques. The dimensions of catalyst particle size were evaluated by scanning electron microscopy and transmission electron microscopy. Results approved that the final product has nanoscale diameter. On the other hand, studding of magnetic nature by VSM analysis showed superparamagnetic properties for the nanocomposite. XRD pattern indicates that FeTiO3/TiO2 was synthesized at 600 °C. The cationic surfactant was used during sol–gel synthesis of FeTiO3/TiO2 sample in order to modify the microstructure of the gels. The as synthesized photocatalyst showed good photocatalytic performance in decolorization of various dye aqueous solution. Rhodamine B, methylene blue and methyl orange were used as pollutant model. Results indicated that the maximum photocatalytic activity of the FeTiO3/TiO2/Ag nanocomposite was obtained for rhodamine B pollutant under visible light. It was observed that by using of FeTiO3/TiO2/Ag nanostructure instead FeTiO3/TiO2 nanoparticles the photocatalytic activity for methylene blue from 82 to 89 increased. Also by decreasing of pH from 9 to 5 destruction percentage of methyl orange was increased from 65 to 85.
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The authors are grateful to Islamic Azad University (IAU) for providing financial support to undertake this work.
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Abbasi, A., Golsefidi, M.A. Grafting of silver particles on FeTiO3/TiO2/Ag: synthesis and characterization of FeTiO3/TiO2 nanoparticles in presence of CTAB and their application as photocatalyst. J Mater Sci: Mater Electron 29, 10583–10592 (2018). https://doi.org/10.1007/s10854-018-9122-0
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DOI: https://doi.org/10.1007/s10854-018-9122-0