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学科主题: 物理化学
题名: Ir, Pt, and Aumodified CeO2 catalysts for CO oxidation: The role of oxygen vacancy and carbonates
作者: 林坚、黄延强 ;  Wang XD(王晓东) ;  Li L(李林) ;  Wang AQ(王爱琴) ;  Zhang T(张涛)
会议名称: Sixth Tokyo conference on advanced catalytic science and technology and fifth Asia pacific congress on catalysis
会议日期: 2010-7-18
出版日期: 2010-07-18
会议地点: 日本
其他题名: Ir,Pt,Au修饰的氧化铈催化剂用于CO氧化反应
通讯作者: 张涛
部门归属: 十五室
主办者: 日本催化协会
摘要: Properties of oxygen vacancy and carbonates were comparatively studied over noble metals ( Ir, Pt, Au) modified CeO2 catalysts and correlated with the performances of CO oxidation. The formation of oxygen vacancy was affected by the metals’ work function, and the adsorption strengths of carbonates were as follows: Ir-CeO2 (144 kJ/mol)>Pt-CeO2 (121 kJ/mol)>Au-CeO2 (93 kJ/mol). By analyzing the transient processes and the heat evolved with CO+O2 pulses, the evolution of CO oxidation was found intimately related with the amount of oxygen vacancy and further with the different adsorption strength of carbonates.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/114170
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
林坚、黄延强,Wang XD,Li L,et al. Ir, Pt, and Aumodified CeO2 catalysts for CO oxidation: The role of oxygen vacancy and carbonates[C]. 见:Sixth Tokyo conference on advanced catalytic science and technology and fifth Asia pacific congress on catalysis. 日本. 2010-7-18.
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