采用溶胶-凝胶法,在不同的焙烧温度下合成锌/铈共掺杂二氧化钛纳米材料.用X射线衍射(XRD)、透射电子显微镜(TEM)、X射线光电子能谱(XPS)和紫外-可见漫反射光谱(DRS)对样品进行了表征.采用抑菌环法,以大肠杆菌为实验菌种,对Zr/Ce-TiO2纳米材料抗菌性能进行检测.结果表明:样品的结晶度和晶相完全取决于焙烧温度的高低；部分锌进入二氧化钛晶格中,其余掺杂离子以CeO2和Zn2Ti3O8形式存在；与暗态下相比,在可见光激发下,Zn/Ce-TiO2纳米材料具有超强的抗菌性.对锌/铈共掺杂作用机制进行了深入探讨.
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