Effect of Different Pore Structures on the Surface Textures of the Cu-Doped CeO2 Catalysts and Applied for CO Catalytic Oxidation

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	Effect of Different Pore Structures on the Surface Textures of the Cu-Doped CeO2 Catalysts and Applied for CO Catalytic Oxidation
	Su, Yunfei 1,2; Tang ZC(唐志诚)1 ; Han WL(韩维亮)1 ; Song, Yu 2; Lu GX(吕功煊)1
刊名	Catalysis Surveys from Asia
	2015
卷号	19 期号:3 页码:129-139
关键词	CO oxidation Hard template Nanocasting route Pore structure
ISSN号	1571-1013
通讯作者	唐志诚
英文摘要	By using mesoporous silica KIT-6 with different hydrothermal temperature as a template, Cu-doped CeO₂ catalysts with different pore diameters were successfully prepared. When KIT-6-50 (hydrothermal synthesis of mesoporous silica KIT-6 temperature was 50 °C) and KIT-6-100 (hydrothermal synthesis of mesoporous silica KIT-6 temperature was 100 °C) were employed as the hard template, the uncoupled sub-framework Cu-doped CeO₂ catalyst formed. When KIT-6-130 (hydrothermal synthesis of mesoporous silica KIT-6 temperature was 130 °C) was employed as the hard template, the coupled sub-framework Cu-doped CeO₂ catalyst formed. Compared with the coupled sub-framework Cu-doped CeO₂ catalyst, the uncoupled sub-framework Cu-doped CeO₂ catalyst has the higher surface areas and more open system. The Cu-doped CeO₂ catalyst with KIT-6-50 as a template exhibited the highest catalytic activity, and complete conversion temperature (T₁₀₀) was about 53 °C for CO oxidation. Besides, it was investigated that there were more chemisorbed oxygen and oxygen vacancy on the surface of Cu-doped CeO₂ with KIT-6-50 as a template catalyst by XPS analysis. It could be concluded that the higher surface area and more open system was relatively conducive to the catalytic oxidation of CO. At the same time, the chemisorbed oxygen and oxygen vacancy also played an important role in CO catalytic oxidation.
学科主题	物理化学与绿色催化
收录类别	SCI
资助信息	the National Natural Science Foundation of China (21407154);the National Basic Research Program of China (2013CB933201);Science and Technology Program of Lanzhou City (2014-2-5);West Light Foundation of the Chinese Academy of Sciences
语种	英语
WOS记录号	WOS:000359942500002
内容类型	期刊论文
源URL	[http://210.77.64.217/handle/362003/18568]
专题	兰州化学物理研究所_ERC国家工程研究中心兰州化学物理研究所_OSSO国家重点实验室
作者单位	1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Natl Engn Res Ctr Fine Petrochem Intermediates, Lanzhou 730000, Peoples R China 2.Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Peoples R China
推荐引用方式 GB/T 7714	Su, Yunfei,Tang ZC,Han WL,et al. Effect of Different Pore Structures on the Surface Textures of the Cu-Doped CeO2 Catalysts and Applied for CO Catalytic Oxidation[J]. Catalysis Surveys from Asia,2015,19(3):129-139.
APA	Su, Yunfei,Tang ZC,Han WL,Song, Yu,&Lu GX.(2015).Effect of Different Pore Structures on the Surface Textures of the Cu-Doped CeO2 Catalysts and Applied for CO Catalytic Oxidation.Catalysis Surveys from Asia,19(3),129-139.
MLA	Su, Yunfei,et al."Effect of Different Pore Structures on the Surface Textures of the Cu-Doped CeO2 Catalysts and Applied for CO Catalytic Oxidation".Catalysis Surveys from Asia 19.3(2015):129-139.