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X-Ray crystal structure, and optical and electrochemical properties of the Au15Ag3(SC6H11)14 nanocluster with a core-shell structure.
Xiang, Ji; Li, Peng; Song, Yongbo; Liu, Xia; Chong, Hanbao; Jin, Shan; Pei, Yong; Yuan, Xiaoyou; Zhu, Manzhou.
Afiliação
  • Xiang J; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
  • Li P; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
  • Song Y; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
  • Liu X; Department of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Xiangtan University, Hunan Province 411105, P. R. China. ypnku78@gmail.com.
  • Chong H; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
  • Jin S; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
  • Pei Y; Department of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Xiangtan University, Hunan Province 411105, P. R. China. ypnku78@gmail.com.
  • Yuan X; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
  • Zhu M; Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei, Anhui Province 230601, P. R. China. peng-li@ahu.edu.cn zmz@ahu.edu.cn.
Nanoscale ; 7(43): 18278-83, 2015 Nov 21.
Article em En | MEDLINE | ID: mdl-26486194
We report the X-ray crystallographic structure of an 18-metal atom Au-Ag bimetallic nanocluster (NC) formulated as [Au15Ag3(SC6H11)14]. This NC consists of a Au6Ag3 bi-octahedral kernel, which is built up by two octahedral Au3Ag3 units through sharing one Ag3 triangular face. The [Au15Ag3(SC6H11)14] can be viewed as a core-shell structure with the doped Ag atoms as the core and Au atoms as the shell. Detailed analyses by UV-vis spectroscopy, X-ray photoelectron spectroscopy (XPS), and electrochemical measurements clearly show distinct differences in the electronic structure between [Au15Ag3(SC6H11)14] and the homometal [Au18(SC6H11)14] NC. This study contributes to the deep understanding on bimetallic nanoclusters.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Nanoscale Ano de publicação: 2015 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Nanoscale Ano de publicação: 2015 Tipo de documento: Article