%0 Journal Article %T One-Step Microemulsion-Mediated Hydrothermal Synthesis of Nanocrystalline TiO<sub>2</sub> %A Xuyao Xu %A Xiaosong Zhou %A Lin Ma %A Miaoyan Mo %A Cuifen Ren %A Rongkai Pan %J World Journal of Nano Science and Engineering %P 29-34 %@ 2161-4962 %D 2014 %I Scientific Research Publishing %R 10.4236/wjnse.2014.41005 %X
Nanocrystalline TiO2 powders with high photocatalytic activity were prepared by one-step microemulsion-mediated hydrothermal method using tetrabutylorthotitanate (TiO(C4H9)4, TBOT) as precursor. The as-prepared TiO2 powders were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and the Brunauer-Emmett-Teller (BET) specific surface area measurements. The effects of the oil/water ratio and hydrothermal temperature on the microstructures and photocatalytic activity of the TiO2 powders were investigated. The results suggest that increasing the oil/water emulsion ratio significantly decreased the particle size of the as-prepared TiO2 powders and improved the photocatalytic activity. With hydrothermal temperature increasing, the average crystallite size increased and the photocatalytic activities of TiO2 powders decreased.
%K Titanium Dioxide %K Microemulsion %K Hydrothermal Method %K Photocatalytic Activity %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=43747