以无机盐硝酸铈和柠檬酸为原料,CTAB(十六烷基三甲基溴化铵)为模板剂,采用水热法制备了大比表面积的介孔CeO2,结合X射线粉末衍射(XRD)、N2吸附与脱附、H2程序升温还原(H2-TPR)和CO2程序升温脱附(CO2-TPD)等表征手段研究了CTAB加入及焙烧温度对介孔CeO2晶型结构和比表面积的影响,并对CO氧化催化机理进行了初步探讨.结果表明:前驱体与焙烧样品都具有晶型较好的CeO2立方萤石晶相结构和较大的比表面积,CTAB的加入不仅增大了样品的比表面积和孔容,而且在一定程度上提高了样品的结晶度；与其他样品相比,加入CTAB焙烧后的样品具有较好的催化效果.
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