DICP OpenIR
Structure of the catalytically active copper-ceria interfacial perimeter
Chen, Aling1; Yu, Xiaojuan2; Zhou, Yan1; Miao, Shu1; Li, Yong1; Kuld, Sebastian3; Sehested, Jens3; Liu, Jingyue4; Aoki, Toshihiro5; Hong, Song6; Camellone, Matteo Farnesi7; Fabris, Stefano7; Ning, Jing1; Jin, Chuanchuan1; Yang, Chengwu2; Nefedov, Alexei2; Woell, Christof2; Wang, Yuemin2; Shen, Wenjie1
Corresponding AuthorZhou, Yan(zhouyan@dicp.ac.cn) ; Sehested, Jens(jss@topsoe.dk) ; Wang, Yuemin(yuemin.wang@kit.edu) ; Shen, Wenjie(shen98@dicp.ac.cn)
Source PublicationNATURE CATALYSIS
2019-04-01
ISSN2520-1158
DOI10.1038/s41929-019-0226-6
Volume2Issue:4Pages:334-341
Funding ProjectNational Natural Science Foundation of China[91645107] ; National Natural Science Foundation of China[21533009] ; National Natural Science Foundation of China[21621063] ; National Natural Science Foundation of China[21761132031] ; Deutsche Forschungsgemeinschaft[WA 2535/2-1] ; 'Science and Technology of Nanosystems' Programme of Germany[432202] ; EU-H2020 research and innovation programme[654360] ; China Scholarship Council
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordWATER-GAS SHIFT ; IN-SITU ; METHANOL SYNTHESIS ; OXYGEN VACANCIES ; CARBON-MONOXIDE ; CO OXIDATION ; METAL-OXIDE ; CATALYSTS ; CU ; ADSORPTION
AbstractCu/CeO2 catalysts are highly active for the low-temperature water-gas shift-a core reaction in syngas chemistry for tuning the H-2/CO/CO2 proportions in feed streams-but the direct identification and quantitative description of the active sites remain challenging. Here we report that the active copper clusters consist of a bottom layer of mainly Cu+ atoms bonded on the oxygen vacancies (O-v) of ceria, in a form of Cu+-O-v-Ce3+, and a top layer of Cu-0 atoms coordinated with the underlying Cu+ atoms. This atomic structure model is based on directly observing copper clusters dispersed on ceria by a combination of scanning transmission electron microscopy and electron energy loss spectroscopy, in situ probing of the interfacial copper-ceria bonding environment by infrared spectroscopy and rationalization by density functional theory calculations. These results, together with reaction kinetics, reveal that the reaction occurs at the copper-ceria interfacial perimeter via a site cooperation mechanism: the Cu+ site chemically adsorbs CO whereas the neighbouring O-v-Ce3+ site dissociatively activates H2O.
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; 'Science and Technology of Nanosystems' Programme of Germany ; 'Science and Technology of Nanosystems' Programme of Germany ; EU-H2020 research and innovation programme ; EU-H2020 research and innovation programme ; China Scholarship Council ; China Scholarship Council
WOS IDWOS:000464248600013
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/165685
Collection中国科学院大连化学物理研究所
Corresponding AuthorZhou, Yan; Sehested, Jens; Wang, Yuemin; Shen, Wenjie
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Peoples R China
2.Karlsruhe Inst Technol, Inst Funct Interfaces, Eggenstein Leopoldshafen, Germany
3.Haldor Topsoe Res Labs, Lyngby, Denmark
4.Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA
5.Arizona State Univ, LeRoy Eyring Ctr Solid State Sci, Tempe, AZ USA
6.Beijing Univ Chem Technol, Ctr Instrumental Anal, Beijing, Peoples R China
7.CNR, IOM, Trieste, Italy
Recommended Citation
GB/T 7714
Chen, Aling,Yu, Xiaojuan,Zhou, Yan,et al. Structure of the catalytically active copper-ceria interfacial perimeter[J]. NATURE CATALYSIS,2019,2(4):334-341.
APA Chen, Aling.,Yu, Xiaojuan.,Zhou, Yan.,Miao, Shu.,Li, Yong.,...&Shen, Wenjie.(2019).Structure of the catalytically active copper-ceria interfacial perimeter.NATURE CATALYSIS,2(4),334-341.
MLA Chen, Aling,et al."Structure of the catalytically active copper-ceria interfacial perimeter".NATURE CATALYSIS 2.4(2019):334-341.
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