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Gold-Iron Oxide Catalyst for CO Oxidation: Effect of Support Structure | |
Cui, HZ; Guo, Y; Wang, X; Jia, CJ; Si, R; 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. | |
2016 | |
发表期刊 | CATALYSTS
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ISSN | 2073-4344 |
卷号 | 6期号:3页码:— |
文章类型 | 期刊文献 |
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. |
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 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000373798300007 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.sinap.ac.cn/handle/331007/25734 |
专题 | 中科院上海应用物理研究所2011-2018年 |
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. |
推荐引用方式 GB/T 7714 | Cui, HZ,Guo, Y,Wang, X,et al. Gold-Iron Oxide Catalyst for CO Oxidation: Effect of Support Structure[J]. CATALYSTS,2016,6(3):—. |
APA | Cui, HZ.,Guo, Y.,Wang, X.,Jia, CJ.,Si, R.,...&Si, R .(2016).Gold-Iron Oxide Catalyst for CO Oxidation: Effect of Support Structure.CATALYSTS,6(3),—. |
MLA | Cui, HZ,et al."Gold-Iron Oxide Catalyst for CO Oxidation: Effect of Support Structure".CATALYSTS 6.3(2016):—. |
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