A way to realize controllable preparation of active nickel oxide supported nano-Au catalyst for CO oxidation | |
Department | 绿色化学研究发展中心 |
Zhang CM(张成明)1,2; Cui XJ(崔新江)1; Yang HM(杨慧敏)1,2; Zheng LR(郑黎荣)3; Deng YQ(邓友全)1; Shi F(石峰)1; Shi F(石峰) | |
The second department | osso国家重点实验室 |
2014 | |
Source Publication | Applied Catalysis A: General |
ISSN | 0926-860X |
Volume | 473Pages:7-12 |
Abstract | It was generally accepted that the total elimination of chlorine is favorable to build active supportednano-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 chlorineconcentration in the washing step and tested by the total oxidation of CO. It was revealed that Au/NiOxcatalysts prepared from aqueous solutions with 4–8 ppm chlorine can be active catalysts and the temper-ature for CO total oxidation was <0◦C. The catalytic activity dropped sharply if the chlorine concentrationwas <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 responsiblefor the activity variation and it was caused by the washing operation or the presence of different amountsof chlorine. Although active Au/NiOx catalysts can be obtained by tracing chlorine concentration, the roleof chlorine in the fabrication of active nano-gold catalyst was still unclear. |
Keyword | Chlorine Concentration Co Oxidation Nano-au Catalyst Heterogeneous Catalyst Controllable Preparation |
Subject Area | 物理化学与绿色催化 |
DOI | 10.1016/j.apcata.2013.12.024 |
Funding Organization | the National Natural Science Foundation of China(21073208);the CAS |
Indexed By | SCI |
If | 3.942 |
Language | 英语 |
Funding Project | 纳米催化课题组;绿色催化课题组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/7117 |
Collection | 绿色化学研究发展中心 羰基合成与选择氧化国家重点实验室(OSSO) |
Corresponding Author | Shi F(石峰) |
Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Ctr Green Chem & Catalysis, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst High Energy Phys, Ctr Multidisciplinary Res, Beijing 100049, Peoples R China |
Recommended Citation 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.,...&石峰.(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. |
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published-Appl A.pdf(1853KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text |
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