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Hexane-Driven Icosahedral to Cuboctahedral Structure Transformation of Gold Nanoclusters
Li, YY; Cheng, H; Yao, T; Sun, ZH; Yan, WS; Jiang, Y; Xie, Y; Sun, YF; Huang, YY; Liu, SJ; Zhang, J; Xie, YN; Hu, TD; Yang, LN; Wu, ZY; Wei, SQ;张静; Xie YN(谢亚宁); Hu TD(胡天斗)
2012
发表期刊JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷号134期号:43页码:17997-18003
摘要Whether and how nanoclusters possessing a rich diversity of possible geometric configurations can transform from one structural type to another are critical issues in cluster science. Here we demonstrate an icosahedral-to-cuboctahedral structural transformation of Au nanoclusters driven by changing the chemical environment. For icosahedral Au-13 clusters protected by a mixture of dodecanethiol and triphenylphosphine ligands, solvent exchange of ethanol by hexane leads to quick selective desorption of the thiolate layers from the cluster surface. The surviving Au cores then undergo a much slower energy-minimization process via structural rearrangement, stabilized in the cuboctahedral structure and protected by triphenylphosphine in the hexane environment. In response to the dramatically changed atomic structure, the character of the electronic structure of the Au clusters is converted from semiconducting to metallic. This work addresses the structure property correlation and its strong dependence on the chemical environment for metal nanoclusters.
学科领域Chemistry
DOI10.1021/ja306923a
收录类别SCI
WOS记录号WOS:000310483500029
引用统计
被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224358
专题多学科研究中心
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Li, YY,Cheng, H,Yao, T,et al. Hexane-Driven Icosahedral to Cuboctahedral Structure Transformation of Gold Nanoclusters[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2012,134(43):17997-18003.
APA Li, YY.,Cheng, H.,Yao, T.,Sun, ZH.,Yan, WS.,...&胡天斗.(2012).Hexane-Driven Icosahedral to Cuboctahedral Structure Transformation of Gold Nanoclusters.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,134(43),17997-18003.
MLA Li, YY,et al."Hexane-Driven Icosahedral to Cuboctahedral Structure Transformation of Gold Nanoclusters".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 134.43(2012):17997-18003.
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