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首页> 外文期刊>Advances in Materials Physics and Chemistry >Preparation and Characterization of TiO2 Photocatalytic Thin Film and Its Compounds by Micro-Arc Oxidation Technique
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Preparation and Characterization of TiO2 Photocatalytic Thin Film and Its Compounds by Micro-Arc Oxidation Technique

机译:微弧氧化技术制备TiO2光催化薄膜及其化合物及其表征

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Mesoporous TiO2 ceramic films have been prepared upon the Ti alloy substrate by the micro-arc oxidation (MAO) technology. To enhance the photo-catalytic property of the films, Eu2O3 particles were added into the electrolyte solution of Na2CO3/Na2SiO3. Scanning electron microscope (SEM), energy dispersive (EDS), X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) are employed to characterize the modified films. Diffuse reflectance spectra (DRS) test, photo-generated current test and photo decomposition test are applied to evaluate the photo-catalytic property of the modified films. The results show that Eu2O3 transformed into one-dimensional (1-D) nano-wires embedded within the composite film, and the film has high photo-catalytic property. ?
机译:通过微弧氧化(MAO)技术在钛合金基底上制备了介孔TiO2陶瓷膜。为了增强薄膜的光催化性能,将Eu2O3颗粒添加到Na2CO3 / Na2SiO3的电解液中。使用扫描电子显微镜(SEM),能量色散(EDS),X射线光电子能谱(XPS)和X射线衍射(XRD)表征改性膜。采用漫反射光谱(DRS)测试,光生电流测试和光分解测试来评价改性膜的光催化性能。结果表明,Eu2O3转变为嵌入复合薄膜内的一维(1-D)纳米线,且该薄膜具有较高的光催化性能。 ?

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