Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 3, Pages 3808-3815Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.11.043
Keywords
Nanocomposites; SnS2/TiO2; Cr(VI); Visible photoreduction; Crystal structure
Categories
Funding
- National Natural Science Foundation of China [51272147]
- Natural Science Foundation of Shaanxi Province [2015JM5208]
- Graduate Innovation Fund of Shaanxi University of Science and Technology
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SnS2/TiO2 nanocomposites have been synthesized via microwave assisted hydrothermal treatment of tetrabutyl titanate in the presence of SnS2 nanoplates in the solvent of ethanol at 160 degrees C for 1 h. The physical and chemical properties of SnS2/TiO2 were studied by XRD, FESEM, EDS, TEM, XPS and UV-vis diffuse reflectance spectra (DRS). The photocatalytic activity of SnS2/TiO2 nanocomposites were evaluated by photoreduction of aqueous Cr(VI) under visible light (lambda > 420 nm) irradiation. The experimental results showed that the SnS2/TiO2 nanocomposites exhibited excellent reduction efficiency of Cr(VI) (similar to 87%) than that of pure TiO2 and SnS2. The SnS2/TiO2 nanocomposites were expected to be a promising candidate as effective photocatalysts in the treatment of Cr(VI) wastewater. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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