CO oxidation over Au/ZrLa-doped CeO2 catalysts: Synergistic effect of zirconium and lanthanum
文献类型：期刊论文
| 作者 | Yang, Q; Du, LY; Wang, X; Jia, CJ; Si, R |
| 刊名 | CHINESE JOURNAL OF CATALYSIS
 |
| 出版日期 | 2016 |
| 卷号 | 37期号:8页码:1331-1339 |
| 关键词 | Gold catalyst Doped ceria Oxygen vacancy Carbon monoxide oxidation Metal-support interaction |
| ISSN号 | 0253-9837 |
| 通讯作者 | Yang, Q (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China. |
| 英文摘要 | The physicochemical properties of nanosized Au catalysts supported on doped CeO2 and their catalytic performance for the CO oxidation reaction were investigated. The Au/Zr-doped CeO2 catalyst is much more active than undoped Au/CeO2, while Au/ZrLa-doped CeO2 shows the highest activity. Characterization of the catalysts by X-ray diffraction, transmission electron microscopy (TEM), high-resolution TEM, and the X-ray absorption fine structure technique shows high homogeneity of the oxide supports and well-dispersed nanosized Au nanoparticles. Raman spectroscopy, X-ray photoelectron spectroscopy, and H-2-tempeature-programmed reduction show that the surface oxygen species are the main factor for the catalytic activity in the CO oxidation reaction, while the supported Au species can improve the redox properties and create oxygen vacancy sites on the support. The oxidation state of Au is not the main factor governing the activity of Au/doped-CeO2 catalysts. Additionally, the synergistic effect of Zr and La is discussed. (C) 2016, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000381326900018 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/26450]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 推荐引用方式 GB/T 7714 | Yang, Q,Du, LY,Wang, X,et al. CO oxidation over Au/ZrLa-doped CeO2 catalysts: Synergistic effect of zirconium and lanthanum[J]. CHINESE JOURNAL OF CATALYSIS,2016,37(8):1331-1339. |
| APA | Yang, Q,Du, LY,Wang, X,Jia, CJ,&Si, R.(2016).CO oxidation over Au/ZrLa-doped CeO2 catalysts: Synergistic effect of zirconium and lanthanum.CHINESE JOURNAL OF CATALYSIS,37(8),1331-1339. |
| MLA | Yang, Q,et al."CO oxidation over Au/ZrLa-doped CeO2 catalysts: Synergistic effect of zirconium and lanthanum".CHINESE JOURNAL OF CATALYSIS 37.8(2016):1331-1339. |
入库方式： OAI收割
来源：上海应用物理研究所
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