Abstract
With Ti(SO4)2, SnCl4·5H2O and urea as raw materials, SnO2-TiO2 nanocomposites were synthesized via low temperature hydrothermal method at 80–100 °C in aqueous solutions. The morphologies of the products were altered systematically by varying the Ti/Sn molar ratio of the reactants, and rutile-phase particles were obtained with an average diameter of about 52.2 nm at a molar ratio of Ti/Sn=7.5. The surface composition of the composite was revealed by X-ray photoelectron spectroscopy(XPS) and X-ray diffraction(XRD) to be solely TiO2 with a rutile structure. This new composite material exhibits a high ultraviolet absorption capacity, and its photocatalytic activity for phenol oxidation is much lower than that of the commercial titania nanoparticles(P25).
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Supported by the Jilin Provincial Science and Technology Development Funds, China(No.20100334) and the Jilin Provincial Education Department’s “12th Five-Year” Scientific and Technological Research Projects, China[No.126(2013)].
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Wang, Yr., Li, Wy., Zhou, B. et al. Synthesis and characterization of SnO2-TiO2 nanocomposite with rutile-phase via hydrothermal method at low temperature. Chem. Res. Chin. Univ. 29, 617–620 (2013). https://doi.org/10.1007/s40242-013-3067-x
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DOI: https://doi.org/10.1007/s40242-013-3067-x