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题名: Metal/oxide interfacial effects on the selective oxidation of primary alcohols
作者: Zhao, Guofeng1;  Yang, Fan2;  Chen, Zongjia3, 4, 5;  Liu, Qingfei2, 6;  Ji, Yongjun1;  Zhang, Yi2, 6;  Niu, Zhiqiang1;  Mao, Junjie1;  Bao, Xinhe2;  Hu, Peijun3, 4, 5;  Li, Yadong1, 7
刊名: NATURE COMMUNICATIONS
发表日期: 2017-01-18
DOI: 10.1038/ncomms14039
卷: 8
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: A main obstacle in the rational development of heterogeneous catalysts is the difficulty in identifying active sites. Here we show metal/oxide interfacial sites are highly active for the oxidation of benzyl alcohol and other industrially important primary alcohols on a range of metals and oxides combinations. Scanning tunnelling microscopy together with density functional theory calculations on FeO/Pt(111) reveals that benzyl alcohol enriches preferentially at the oxygen-terminated FeO/Pt(111) interface and undergoes readily O-H and C-H dissociations with the aid of interfacial oxygen, which is also validated in the model study of Cu2O/Ag(111). We demonstrate that the interfacial effects are independent of metal or oxide sizes and the way by which the interfaces were constructed. It inspires us to inversely support nano-oxides on micro-metals to make the structure more stable against sintering while the number of active sites is not sacrificed. The catalyst lifetime, by taking the inverse design, is thereby significantly prolonged.
关键词[WOS]: CO OXIDATION ;  IN-SITU ;  CATALYSTS ;  COPPER ;  GOLD ;  IDENTIFICATION ;  NANOPARTICLES ;  ACETALDEHYDE ;  SUPPORT ;  ETHANOL
语种: 英语
WOS记录号: WOS:000392155200001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151862
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, CAS Ctr Excellence Nanosci, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.East China Univ Sci & Technol, Ctr Computat Chem, Key Lab Adv Mat, Shanghai 200237, Peoples R China
4.East China Univ Sci & Technol, Res Inst Ind Catalysis, Shanghai 200237, Peoples R China
5.Queens Univ Belfast, Sch Chem & Chem Engn, Belfast BT9 5AG, Antrim, North Ireland
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Tsinghua Univ, Collaborat Innovat Ctr Nanomat Sci & Engn, Beijing 100084, Peoples R China

Recommended Citation:
Zhao, Guofeng,Yang, Fan,Chen, Zongjia,et al. Metal/oxide interfacial effects on the selective oxidation of primary alcohols[J]. NATURE COMMUNICATIONS,2017,8.
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