A way to realize controllable preparation of active nickel oxide supported nano-Au catalyst for CO oxidation
文献类型：期刊论文
| 作者 | Zhang, CM; Cui, XJ; Yang, HM; Zheng, LR; Deng, YQ; Shi, F;郑黎荣 |
| 刊名 | APPLIED CATALYSIS A-GENERAL
 |
| 出版日期 | 2014 |
| 卷号 | 473页码:7-12 |
| 关键词 | Chlorine concentration CO oxidation Nano-Au catalyst Heterogeneous catalyst Controllable preparation |
| 英文摘要 | It was generally accepted that the total elimination of chlorine is favorable to build active supported nano-gold catalysts if chlorine-containing precursors was used especially for the total oxidation of CO. Here a series of Au/NiOx catalysts were prepared with co-precipitation method by tracing the chlorine concentration in the washing step and tested by the total oxidation of CO. It was revealed that Au/NiOx catalysts prepared from aqueous solutions with 4-8 ppm chlorine can be active catalysts and the temperature for CO total oxidation was <0 degrees C. The catalytic activity dropped sharply if the chlorine concentration was <4 ppm or >8 ppm. The catalysts were characterized by XRD, XPS, BET, TEM, HAADF-STEM and EXAFS, and the catalyst structures were explored. The different structures of the catalysts should be responsible for the activity variation and it was caused by the washing operation or the presence of different amounts of chlorine. Although active Au/NiOx catalysts can be obtained by tracing chlorine concentration, the role of chlorine in the fabrication of active nano-gold catalyst was still unclear. (C) 2013 Elsevier B.V. All rights reserved. |
| 学科主题 | Chemistry; Environmental Sciences & Ecology |
| 收录类别 | SCI |
| WOS记录号 | WOS:000333856300002 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/224815]  |
| 专题 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Zhang, CM,Cui, XJ,Yang, HM,et al. A way to realize controllable preparation of active nickel oxide supported nano-Au catalyst for CO oxidation[J]. APPLIED CATALYSIS A-GENERAL,2014,473:7-12. |
| APA | Zhang, CM,Cui, XJ,Yang, HM,Zheng, LR,Deng, YQ,&Shi, F；郑黎荣.(2014).A way to realize controllable preparation of active nickel oxide supported nano-Au catalyst for CO oxidation.APPLIED CATALYSIS A-GENERAL,473,7-12. |
| MLA | Zhang, CM,et al."A way to realize controllable preparation of active nickel oxide supported nano-Au catalyst for CO oxidation".APPLIED CATALYSIS A-GENERAL 473(2014):7-12. |
入库方式： OAI收割
来源：高能物理研究所
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