【摘要】 利用化学沉淀的方法,制备了一系列不同比例的Cu₃（PO₄）₂/TiO₂复合材料.采用紫外-可见漫反射谱（UV-Vis DRS）、X射线粉末衍射（XRD）、扫描电子显微镜（SEM）、X射线光电子能谱（XPS）等手段,对Cu₃（PO₄）₂/TiO₂系列光催化剂进行了表征与分析.通过丙烯的光催化降解实验考察样品的可见光催化活性.结果表明,相比于纯Ti O2,Cu₃（PO₄）₂/TiO₂复合材料具有明显的可见光催化活性,当Cu3（PO4）2与Ti O2的质量比为2.5∶10时光催化活性最高,对丙烯的降解率达到46%.更多还原

【Abstract】 A series of Cu₃（PO₄）₂/TiO₂ composites were prepared by a facile liquid precipitation method,and then characterized by diffuse reflectance spectra（UV-Vis DRS）,X-ray diffraction（XRD）, scanning electron microscope（SEM）, X-ray photoelectron spectroscopy（XPS）.Furthermore,the photocatalytic activity of samples was evaluated by the photodegradation of propylene gas under visible light irradiation. The results indicate that the visible light photocatalytic activity of Cu₃（PO₄）₂/TiO₂ composites is much higher than that of pure TiO₂. When the mass ratio of Cu₃（PO₄）₂ to TiO₂ is 2.5 ∶ 10,the photocatalytic activity is highest with a propylene removal rate of 46%.更多还原