单文娟;魏玲玲;董晓薇;刘畅;

• 1:辽宁师范大学化学化工学院

摘要(Abstract)：

采用溶剂热法经乙二醇水解,制备Ce-Cu(x)-O纳米晶体簇,电镜照片显示Ce-Cu(x)-O纳米晶体簇具有类似球形结构并且分散均匀.通过改变铜含量制备一系列样品,对样品进行BET、XRD、H2-TPR等表征.结果表明:XRD结果显示当n(Cu)/n(Ce)低于0.1时,只检测到立方相CeO2的晶相衍射峰;当n(Cu)/n(Ce)为0.3时,可以检测到微弱的CuO衍射峰,说明该体系中Cu具有较高的分散性.该系列样品对CO催化氧化反应中具有较高的催化活性,在130℃左右CO的转化率为50%.

关键词(KeyWords)：二氧化铈;铜;Ce-Cu(x)-O纳米晶体簇;一氧化碳氧化;类球形结构

Abstract:

Keywords:

基金项目(Foundation):

作者(Author):单文娟;魏玲玲;董晓薇;刘畅;

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参考文献(References)：

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