高分散CuOx/CeO2催化材料精细结构表征和的活性位点指认

来源 :第九届全国无机化学学术会议 | 被引量 : 0次 | 上传用户：chenming88623

【摘要】

：

CuO/CeO2 催化剂对于CO-PROX反应具有很好的催化活性，但对于相关活性物种及机理路径仍存在很多争议[1-2]。本工作中，通过采用沉积沉淀法合成了一系列不同含量的铜负载的CeO2催化剂，并采用XRD、Vis-Raman、TEM、XAFS[3-4]及TPR对其结构进行表征，发现高分散的CuOx团簇以及强相互作用的Cu-[Ox]-Ce是主要的铜物种，在铜含量不高于10 wt％时，无论空气还是氢

【作者】

：

王伟伟贾春江杜培培金钊时硕司锐严纯华

【机构】

：

山东大学,化学与化工学院,山东济南,250100 中国科学院,上海应用物理研究所上海光源,上海,2

【出处】

：

第九届全国无机化学学术会议

【发表日期】

：

2015年7期

【关键词】

：

氧化铜 CO优先氧化 X射线精细结构构效关系原位表征

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高分散CuOx/CeO2催化材料精细结构表征和的活性位点指认

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