Support effect of zinc tin oxide on gold catalyst for CO oxidation reaction
Li, W; Du, LY; Jia, CJ; Si, R; Si, R (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.; Jia, CJ (reprint author), Shandong Univ, Sch Chem & Chem Engn, Key Lab Special Aggregated Mat, Key Lab Colloid & Interface Chem, Jinan 250100, Shandong, Peoples R China.
2016
发表期刊CHINESE JOURNAL OF CATALYSIS
ISSN0253-9837
卷号37期号:10页码:1702-1711
文章类型期刊论文
摘要Nanostructured gold catalyst supported on metal oxide is highly active for the CO oxidation reaction. In this work, a new type of oxide support, zinc tin oxide, has been used to deposit 0.7 wt% Au via a deposition-precipitation method. The textural properties of Zn2SnO4 support have been tuned by varying the molar ratio between base (N2H4 center dot H2O) and metal ion (Zn2+) to be 4/1, 8/1 and 16/1. The catalytic tests for CO oxidation reaction revealed that the reactivity on Au-Zn2SnO4 with N2H4 center dot H2O/Zn2+ = 8/1 was the highest, while the reactivity on Au-Zn2SnO4 with N2H4 center dot H2O/Zn2+ = 16/1 was almost identical to that of the pure support. Both fresh and used catalysts have been characterized by multiple techniques including nitrogen adsorption-desorption, X-ray diffraction, transmission electron microscopy, high-angle annular dark-field scanning transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray adsorption fine structure, and temperature-programmed reduction by hydrogen. These demonstrated that the textural properties, especially pore volume and pore size distribution, of Zn2SnO4 play crucial roles in the averaged size of gold nanoparticles, and thus determine the catalytic activity of Au-Zn2SnO4 for CO oxidation. (C) 2016, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词Gold Catalyst Zinc Tin Oxide Carbon Monoxide Oxidation X-ray Absorption Fine Structure Structure-activity Relationship
DOI10.1016/S1872-2067(16)62468-3
收录类别SCI
语种英语
WOS记录号WOS:000386865300015
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26641
专题中科院上海应用物理研究所2011-2018年
通讯作者Si, R (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.; Jia, CJ (reprint author), Shandong Univ, Sch Chem & Chem Engn, Key Lab Special Aggregated Mat, Key Lab Colloid & Interface Chem, Jinan 250100, Shandong, Peoples R China.
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GB/T 7714
Li, W,Du, LY,Jia, CJ,et al. Support effect of zinc tin oxide on gold catalyst for CO oxidation reaction[J]. CHINESE JOURNAL OF CATALYSIS,2016,37(10):1702-1711.
APA Li, W,Du, LY,Jia, CJ,Si, R,Si, R ,&Jia, CJ .(2016).Support effect of zinc tin oxide on gold catalyst for CO oxidation reaction.CHINESE JOURNAL OF CATALYSIS,37(10),1702-1711.
MLA Li, W,et al."Support effect of zinc tin oxide on gold catalyst for CO oxidation reaction".CHINESE JOURNAL OF CATALYSIS 37.10(2016):1702-1711.
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