Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 115, Issue 4, Pages 1231-1238Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-013-7965-z
Keywords
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Funding
- Science and Technology Department of Sichuan province [2013JY0080]
- Program of Education Department of Sichuan province [11ZA27, 11ZB243]
- Sichuan University of Science and Engineering [2012PY05]
- project of Zigong city [2011G042, 10X03]
- Construct Program of the Discipline in Sichuan University of Science and Engineering
- Opening Project of Key Laboratory of Green Catalysis of Sichuan Institutes of High Education [LZJ1202, LYJ1203]
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Titania (TiO2)-based photocatalysts decorated with different amounts of indium oxide (In2O3) were prepared by a pore impregnating method and characterized by the Brunauer-Emmett-Teller (BET) method, X-ray diffraction (XRD), UV-Vis diffuse reflectance spectroscopy (DRS), and X-ray photoelectron spectroscopy (XPS). The separation efficiency of photogenerated charges was investigated using benzoquinone (BQ) as scavenger. The activities of the photocatalysts were evaluated by decolorization of methyl orange (MO) aqueous solution under ultraviolet-light irradiation. Compared to TiO2, In2O3/TiO2 composites show improved photocatalytic performance due to the coupling effect of TiO2 and In2O3, which greatly improves the separation of photogenerated electrons and holes.
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