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题名: Ligand-Stabilized Au13Cux (x=2, 4, 8) Bimetallic Nanoclusters: Ligand Engineering to Control the Exposure of Metal Sites
作者: Yang, Huayan1, 2;  Wang, Yu1, 2;  Lei, Jing1, 2;  Shi, Lei3;  Wu, Xiaohu3;  Maekinen, Ville4, 5;  Lin, Shuichao1, 2;  Tang, Zichao3;  He, Jian6;  Haekkinen, Hannu4, 5;  Zheng, Lansun1, 2;  Zheng, Nanfeng1, 2
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2013-07-03
DOI: 10.1021/ja402249s
卷: 135, 期:26, 页:9568-9571
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Three novel bimetallic Au-Cu nanoclusters stabilized by a mixed layer of thiolate and phosphine ligands bearing pyridyl groups are synthesized and fully characterized by X-ray single crystal analysis and density functional theory computations. The three clusters have an icosahedral Au-13 core face-capped by two, four, and eight Cu atoms, respectively. All face-capping Cu atoms in the clusters are triply coordinated by thiolate or pyridyl groups. The surface ligands control the exposure of Au sites in the clusters. In the case of the Au13Cu8 cluster, the presence of 12 2-pyridylthiolate ligands still leaves open space for catalysis. All the 3 clusters are 8-electron superatoms displaying optical gaps of 1.8-1.9 eV. The thermal decomposition studies suggest that the selective release of organic ligands from the clusters is possible.
关键词[WOS]: THIOLATE-PROTECTED AU-38 ;  GOLD NANOCLUSTERS ;  CRYSTAL-STRUCTURE ;  STRUCTURAL EVOLUTION ;  ELECTRONIC-STRUCTURE ;  CLUSTER ;  NANOPARTICLES ;  CORE ;  CATALYSIS ;  DIVIDE
语种: 英语
WOS记录号: WOS:000321541800003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137914
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.Xiamen Univ, Collaborat Innovat Ctr Chem Energy Mat, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China
2.Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, Xiamen 361005, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Univ Jyvaskyla, Dept Phys, Nanosci Ctr, FI-40014 Jyvaskyla, Finland
5.Univ Jyvaskyla, Dept Chem, Nanosci Ctr, FI-40014 Jyvaskyla, Finland
6.Xiamen Univ, Inst Phys & Mech & Elect Engn, Xiamen 361005, Peoples R China

Recommended Citation:
Yang, Huayan,Wang, Yu,Lei, Jing,et al. Ligand-Stabilized Au13Cux (x=2, 4, 8) Bimetallic Nanoclusters: Ligand Engineering to Control the Exposure of Metal Sites[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2013,135(26):9568-9571.
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