Nanosized FeOx overlayers on Pt-skin surfaces for low temperature CO oxidation

	Nanosized FeOx overlayers on Pt-skin surfaces for low temperature CO oxidation
	Xu, Hong; Fu, Qiang; Bao, Xinhe
刊名	chinese journal of catalysis
	2013-11-01
卷号	34 期号:11 页码:2029-2035
关键词	CO oxidation Pt-skin Fe oxide Interface catalysis
英文摘要	pt-cu/carbon black catalysts were prepared by an impregnation-reduction method followed by acid leaching. the structure and composition of pt-cu nanoparticles treated under different conditions were investigated by inductively coupled plasma atomic emission spectrometry, x-ray diffraction, and x-ray photoelectron spectroscopy. ptcu3 alloy formed upon annealing pt-cu/carbon black catalysts in h-2. acid leaching produced pt-cu nanoparticles consisting of pt-skeleton surface structure and ptcu3 alloy core. the pt-skeleton could be transformed to well-defined pt-skin structure through further annealing the leached pt-cu nanoparticles in h-2. decorating the pt-skin surfaces with fe oxide nanopatches resulted in enhanced reactivity in the preferential oxidation of co in excess h-2. the tri-component pt-cu-fe catalysts exhibited comparable activity to the bi-component pt-fe catalysts but used much less pt. (c) 2013, dalian institute of chemical physics, chinese academy of sciences. published by elsevier b.v. all rights reserved.
WOS标题词	science & technology ; physical sciences ; technology
类目[WOS]	chemistry, applied ; chemistry, physical ; engineering, chemical
研究领域[WOS]	chemistry ; engineering
关键词[WOS]	oxygen reduction reaction ; shell nanoparticles ; bimetallic catalysts ; tolerant electrocatalysts ; preferential oxidation ; fept nanoparticles ; ferrous centers ; alloy ; platinum ; hydrogen
收录类别	SCI
语种	英语
WOS记录号	WOS:000326769800010
公开日期	2015-11-10
内容类型	期刊论文
源URL	[http://159.226.238.44/handle/321008/137637]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Xu, Hong,Fu, Qiang,Bao, Xinhe. Nanosized FeOx overlayers on Pt-skin surfaces for low temperature CO oxidation[J]. chinese journal of catalysis,2013,34(11):2029-2035.
APA	Xu, Hong,Fu, Qiang,&Bao, Xinhe.(2013).Nanosized FeOx overlayers on Pt-skin surfaces for low temperature CO oxidation.chinese journal of catalysis,34(11),2029-2035.
MLA	Xu, Hong,et al."Nanosized FeOx overlayers on Pt-skin surfaces for low temperature CO oxidation".chinese journal of catalysis 34.11(2013):2029-2035.