The study of the active surface for CO oxidation over supported Pd catalysts

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	The study of the active surface for CO oxidation over supported Pd catalysts
	Weng, Xuefei ; Yuan, Xiang ; Li, Huan ; Li, Xiaokun ; Chen, Mingshu ; Wan, Huilin ; Li H(李欢) ; Chen MS(陈明树) ; Wan HL(万惠霖)
刊名	http://dx.doi.org/10.1007/s11426-014-5277-6
	2014
关键词	Auger electron spectroscopy Catalyst activity Catalyst supports Electrons Low energy electron diffraction Oxidation Palladium Reaction kinetics Spectrometers
英文摘要	CO oxidation was investigated on various powder oxide supported Pd catalysts by temperature-programmed reaction. The pre-reduced catalysts show significantly higher activities than the pre-oxidized ones. Model studies were performed to better understand the oxidation state, reactivities and stabilities of partially oxidized Pd surfaces under CO oxidation reaction conditions using an in situ infrared reflection absorption spectrometer (IRAS). Three O/Pd(100) model surfaces, chemisorbed oxygen covered surface, surface oxide and bulk-like surface oxide, were prepared and characterized by low-energy electron diffraction (LEED) and Auger electron spectroscopy (AES). The present work demonstrates that the oxidized palladium surface is less active for CO oxidation than the metallic surface, and is unstable under the reaction conditions with sufficient CO.
语种	英语
出版者	Science in China Press
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/89748]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Weng, Xuefei,Yuan, Xiang,Li, Huan,et al. The study of the active surface for CO oxidation over supported Pd catalysts[J]. http://dx.doi.org/10.1007/s11426-014-5277-6,2014.
APA	Weng, Xuefei.,Yuan, Xiang.,Li, Huan.,Li, Xiaokun.,Chen, Mingshu.,...&万惠霖.(2014).The study of the active surface for CO oxidation over supported Pd catalysts.http://dx.doi.org/10.1007/s11426-014-5277-6.
MLA	Weng, Xuefei,et al."The study of the active surface for CO oxidation over supported Pd catalysts".http://dx.doi.org/10.1007/s11426-014-5277-6 (2014).