以钛酸纳米管和Cu(NO3)2为前驱体,采用沉积-沉淀法制备CuO修饰TiO2纳米管(CuO/TiO2 NTs).通过TEM(透射电子显微镜)、XRD(X射线衍射)和XPS(X射线光电子能谱)表征材料的结构,并研究制备过程中pH值对所得CuO/TiO2 NTs催化CO氧化活性的影响.研究表明,通过沉积-沉淀法可以制备高活性的CuO/TiO2NTs,随溶液的pH值升高,铜的负载量变少,而且不易被还原的二价铜含量升高,导致催化剂的活性变差.
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