期刊
SOLID STATE SCIENCES
卷 63, 期 -, 页码 76-83出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2016.11.016
关键词
SnS2; Flower-like; Co-modified; Synthesis; Photocatalysis
资金
- National Science Foundation of China [51272147]
- Natural Science Foundation of Shaanxi Province [2015JM5208]
- Graduate Innovation Fund of Shaanxi University of Science and Technology
Three-dimensional Ag2O and Ag co-modified flower-like SnS2 composites have been synthesized through a facile hydrothermal and photoreduction process. The physical and chemical properties of Ag2O and Ag co-modified flower-like SnS2 composites were carefully studied by using XRD, SEM, TEM, UV-vis diffuse reflectance spectra (DRS) and XPS. The photocatalytic activity of the as-prepared products was.evaluated by photocatalytic decolorization of Rhodamine B (Rh B) aqueous solution at ambient temperature under solar light irradiation. The photocatalytic result shows that Ag2O and Ag co-modified flower-like SnS2 composites exhibit enhanced photocatalytic activity compared with that of pure SnS2. Three of the Ag2O and Ag co-modified flower-like SnS2 composites form the Z-scheme systems, because of their unique charge-carrier transfer process, the oxidation/reduction ability of photogenerated holes and electrons could be enhanced. Therefore, the new Ag2O and Ag co-modified flower-like SnS2 composites possess a favorable photocatalytic activity, and it can be a promising candidate for the solar energy conversion process. (C) 2016 Elsevier Masson SAS. All rights reserved.
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