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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Gold-Iron Oxide Catalyst for CO Oxidation: Effect of Support Structure
作者: Cui, HZ; Guo, Y; Wang, X; Jia, CJ; Si, R
刊名: CATALYSTS
出版日期: 2016
卷号: 6, 期号:3, 页码:
关键词: WATER-GAS SHIFT ; LOW-TEMPERATURE OXIDATION ; AU/FE2O3 CATALYSTS ; CARBON-MONOXIDE ; DEPOSITION-PRECIPITATION ; AU/ALPHA-FE2O3 CATALYST ; NANOPARTICLES ; ALPHA-FE2O3 ; PARTICLES ; AU/CEO2
DOI: 10.3390/catal6030037
通讯作者: Jia, CJ (reprint author), Shandong Univ, Sch Chem & Chem Engn, Key Lab Colloid & Interface Chem, Key Lab Special Aggregated Mat, Jinan 250100, Peoples R China. ; Si, R (reprint author), Chinese Acad Sci, Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China.
文章类型: 期刊文献
英文摘要: Gold-iron oxide (Au/FeOx) is one of the highly active catalysts for CO oxidation, and is also a typical system for the study of the chemistry of gold catalysis. In this work, two different types of iron oxide supports, i.e., hydroxylated (Fe_OH) and dehydrated iron oxide (Fe_O), have been used for the deposition of gold via a deposition-precipitation (DP) method. The structure of iron oxide has been tuned by either selecting precipitated pH of 6.7-11.2 for Fe_OH or changing calcination temperature of from 200 to 600 degrees C for Fe_O. Then, 1 wt. % Au catalysts on these iron oxide supports were measured for low-temperature CO oxidation reaction. Both fresh and used samples have been characterized by multiple techniques including transmission electron microscopy (TEM) and high-resolution TEM (HRTEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), X-ray absorption near edge structure (XANES) and temperature-programmed reduction by hydrogen (H-2-TPR). It has been demonstrated that the surface properties of the iron oxide support, as well as the metal-support interaction, plays crucial roles on the performance of Au/FeOx catalysts in CO oxidation.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000373798300007
ISSN号: 2073-4344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25734
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Cui, HZ,Guo, Y,Wang, X,et al. Gold-Iron Oxide Catalyst for CO Oxidation: Effect of Support Structure[J]. CATALYSTS,2016-01-01,6(3):—.
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