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学科主题物理化学
Architecture of Pt-Co Bimetallic Catalysts for Catalytic CO Oxidation
Xu, Hong; Fu, Qiang; Guo, Xiaoguang; Bao, Xinhe; Fu Q(傅强); Bao XH(包信和)
关键词Carbon Dioxide Heterogeneous Catalysis Oxidation Platinum Supported Catalysts
刊名CHEMCATCHEM
2012-10-01
DOI10.1002/cctc.201200255
4期:10页:1645-1652
收录类别SCI
文章类型Article
部门归属5
项目归属502
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]OXYGEN REDUCTION REACTION ; PREFERENTIAL OXIDATION ; LOW-TEMPERATURE ; ELECTRONIC-STRUCTURE ; SURFACE SEGREGATION ; ALLOY NANOPARTICLES ; PT3CO NANOPARTICLES ; CARBON-MONOXIDE ; SHELL ; ELECTROCATALYSTS
英文摘要Pt?Co nanocatalysts have been synthesized and tested for both preferential oxidation of CO in excess H2 (PROX) and CO oxidation in the absence of H2 (COOX). Structural characterization and reaction results suggest that a Pt?Co catalyst architecture consisting of Pt nanoparticles decorated with highly dispersed CoO nanostructures is the active structure for both reactions. The highly active CoO-on-Pt catalysts can be prepared by reduction of as-prepared Pt?Co catalysts at an intermediate temperature or by reactivation of an acid-leached Pt?Co catalyst at a similar temperature. A comparative study of Pt?Fe, Pt?Co, and Pt?Ni catalysts reveals that interface confinement effects are dominant in all TMOx-on-Pt systems (TM=Fe, Co, and Ni). However, the activity and stability in both PROX and COOX reactions for each of these catalyst systems is variable.
语种英语
WOS记录号WOS:000309396800022
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/117741
专题中国科学院大连化学物理研究所
通讯作者Fu Q(傅强); Bao XH(包信和)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Xu, Hong,Fu, Qiang,Guo, Xiaoguang,et al. Architecture of Pt-Co Bimetallic Catalysts for Catalytic CO Oxidation[J]. CHEMCATCHEM,2012,4(10):1645-1652.
APA Xu, Hong,Fu, Qiang,Guo, Xiaoguang,Bao, Xinhe,傅强,&包信和.(2012).Architecture of Pt-Co Bimetallic Catalysts for Catalytic CO Oxidation.CHEMCATCHEM,4(10),1645-1652.
MLA Xu, Hong,et al."Architecture of Pt-Co Bimetallic Catalysts for Catalytic CO Oxidation".CHEMCATCHEM 4.10(2012):1645-1652.
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