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Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation
Zhou, Xiong1; Yang, Wenshao2; Chen, Qiwei1; Geng, Zhenhua2; Shao, Xiang3,4; Li, Jianlong1; Wang, Yongfeng5; Dai, Dongxu2; Chen, Wei6,7; Xu, Guoqin6,7; Yang, Xueming2; Wu, Kai1,7
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2016-01-28
ISSN1932-7447
DOI10.1021/acs.jpcc.5b11362
Volume120Issue:3Pages:1709-1715
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordONE-DIMENSIONAL SUBSTRATE ; CARBON-MONOXIDE ; CATALYTIC-OXIDATION ; MODEL CATALYST ; ACTIVE GOLD ; IN-SITU ; CLUSTERS ; MECHANISM ; SURFACES ; RECONSTRUCTION
AbstractA series of model catalysts consisting of Pt single atoms and nanoclusters supported by monolayered CuO film grown at Cu(110) were successfully prepared, which could be stabilized well above room temperature and which exhibited a high performance in CO oxidation at temperatures as low as similar to 360 K. Combined scanning tunneling microscopy and temperature-programmed desorption measurements directly evidenced that at the initial CO oxidation stage, oxygen vacancy in the CuO lattice was generated at the nearest neighbor of the Pt nanoclusters. The experimental measurements showed that the oxidation activity was inversely proportional to the Pt nanocluster size. In contrast, the Pt single atoms possessed no surface reactivity for the CO oxidation because of the early and complete desorption of CO before its oxidation on the model catalysts commenced.
Language英语
WOS IDWOS:000369116100038
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/171307
Collection中国科学院大连化学物理研究所
Corresponding AuthorShao, Xiang; Yang, Xueming; Wu, Kai
Affiliation1.Peking Univ, Coll Chem & Mol Engn, BNLMS, Beijing 100871, Peoples R China
2.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Univ Sci & Technol China, Sch Chem & Mat Sci, Dept Chem Phys, Hefei 230026, Peoples R China
4.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Peoples R China
5.Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
6.Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
7.SPURc, 1 CREATE Way,15-01,CREATE Tower, Singapore 138602, Singapore
Recommended Citation
GB/T 7714
Zhou, Xiong,Yang, Wenshao,Chen, Qiwei,et al. Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2016,120(3):1709-1715.
APA Zhou, Xiong.,Yang, Wenshao.,Chen, Qiwei.,Geng, Zhenhua.,Shao, Xiang.,...&Wu, Kai.(2016).Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation.JOURNAL OF PHYSICAL CHEMISTRY C,120(3),1709-1715.
MLA Zhou, Xiong,et al."Stable Pt Single Atoms and Nanoclusters on Ultrathin CuO Film and Their Performances in CO Oxidation".JOURNAL OF PHYSICAL CHEMISTRY C 120.3(2016):1709-1715.
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