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Crystal Plane Effect of ZnO on the Catalytic Activity of Gold Nanoparticles for the Acetylene Hydrogenation Reaction
Chai, Meng Qian1,2; Tan, Yuan1,2; Pei, Guang Xian1,2; Li, Lin1; Zhang, Leilei1; Liu, Xiao Yan1; Wang, Aiqin1; Zhang, Tao1,2
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2017-09-14
DOI10.1021/acs.jpcc.7b04022
121期:36页:19727-19734
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]SELECTIVE HYDROGENATION ; CHEMOSELECTIVE HYDROGENATION ; CO OXIDATION ; LOW-TEMPERATURE ; AU-25 NANOCLUSTERS ; AU CATALYSTS ; LARGE EXCESS ; ETHYLENE ; SUPPORT ; CROTONALDEHYDE
英文摘要The interface between gold and the support plays a vital role in various catalytic reactions. To investigate its effect on the selective hydrogenation of acetylene over gold catalysts, we deliberately created two different Au-ZnO interfaces by supporting the thiolated Au-25 precursor on two ZnO supports with different shapes: one was platelike with polar planes, and the other was needlelike exhibiting nonpolar planes. The particle sizes of gold were controlled with similar average sizes (similar to 2.5 nm) on the ZnO plate and ZnO needle. The catalytic performance of the Au/ZnO needle for the acetylene hydrogenation reaction was much better than that of the Au/ZnO plate. The characterization results of the in situ diffuse reflectance infrared Fourier transform spectroscopy showed that the intensity of the adsorption band of CO over the metallic gold was much stronger over the Au/ZnO needle than that on the Au/ZnO plate. Therefore, it could be concluded that the ability of the nonpolar plane in the needlelike ZnO to stabilize metallic gold might be responsible for the superior catalytic performance of the Au/ZnO needle. This work can not only give deep insight into the crystal plane effect on the Au/ZnO catalyst but also provide a good way to create different metal support interfaces in other catalytic systems by depositing the same metal particles on the supports with different crystal planes.
语种英语
WOS记录号WOS:000411171800019
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/150071
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Gold Catalysis Res Ctr, State Key Lab Catalysis,iChEM, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Chai, Meng Qian,Tan, Yuan,Pei, Guang Xian,et al. Crystal Plane Effect of ZnO on the Catalytic Activity of Gold Nanoparticles for the Acetylene Hydrogenation Reaction[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2017,121(36):19727-19734.
APA Chai, Meng Qian.,Tan, Yuan.,Pei, Guang Xian.,Li, Lin.,Zhang, Leilei.,...&Zhang, Tao.(2017).Crystal Plane Effect of ZnO on the Catalytic Activity of Gold Nanoparticles for the Acetylene Hydrogenation Reaction.JOURNAL OF PHYSICAL CHEMISTRY C,121(36),19727-19734.
MLA Chai, Meng Qian,et al."Crystal Plane Effect of ZnO on the Catalytic Activity of Gold Nanoparticles for the Acetylene Hydrogenation Reaction".JOURNAL OF PHYSICAL CHEMISTRY C 121.36(2017):19727-19734.
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