Doping the golden cage Au16- with Si, Ge, and Sn

Lei Ming Wang; Satya Bulusu; Wei Huang; Rhitankar Pal; Lai Sheng Wang; Cheng Zeng Xiao

doi:10.1021/ja077465a

Doping the golden cage Au₁₆^- with Si, Ge, and Sn

Lei Ming Wang, Satya Bulusu, Wei Huang, Rhitankar Pal, Lai Sheng Wang, Cheng Zeng Xiao

Chemistry

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91 Scopus citations

Abstract

We report a joint experimental/theoretical study of a series of group IV atom-doped gold anion clusters MAu₁₆^- (M = Si, Ge, Sn). We find that their global minima possess exohedral structures, which are dominated by the strong M-Au local interactions reminiscent of the MAu₄ clusters. In particular, a dangling Au atom is observed in the low-lying isomers of SiAu₁₆^- which confirms the Au/H analogy reported earlier in Si-Au mixed clusters. The nature of the dopant-Au local interactions is a critical factor in determining whether an impurity atom can be used to dope the golden cages.

Original language	English (US)
Pages (from-to)	15136-15137
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	129
Issue number	49
DOIs	https://doi.org/10.1021/ja077465a
State	Published - Dec 12 2007

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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abstract = "We report a joint experimental/theoretical study of a series of group IV atom-doped gold anion clusters MAu16- (M = Si, Ge, Sn). We find that their global minima possess exohedral structures, which are dominated by the strong M-Au local interactions reminiscent of the MAu4 clusters. In particular, a dangling Au atom is observed in the low-lying isomers of SiAu16- which confirms the Au/H analogy reported earlier in Si-Au mixed clusters. The nature of the dopant-Au local interactions is a critical factor in determining whether an impurity atom can be used to dope the golden cages.",

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AU - Wang, Lei Ming

AU - Bulusu, Satya

AU - Huang, Wei

AU - Pal, Rhitankar

AU - Wang, Lai Sheng

AU - Xiao, Cheng Zeng

PY - 2007/12/12

Y1 - 2007/12/12

N2 - We report a joint experimental/theoretical study of a series of group IV atom-doped gold anion clusters MAu16- (M = Si, Ge, Sn). We find that their global minima possess exohedral structures, which are dominated by the strong M-Au local interactions reminiscent of the MAu4 clusters. In particular, a dangling Au atom is observed in the low-lying isomers of SiAu16- which confirms the Au/H analogy reported earlier in Si-Au mixed clusters. The nature of the dopant-Au local interactions is a critical factor in determining whether an impurity atom can be used to dope the golden cages.

AB - We report a joint experimental/theoretical study of a series of group IV atom-doped gold anion clusters MAu16- (M = Si, Ge, Sn). We find that their global minima possess exohedral structures, which are dominated by the strong M-Au local interactions reminiscent of the MAu4 clusters. In particular, a dangling Au atom is observed in the low-lying isomers of SiAu16- which confirms the Au/H analogy reported earlier in Si-Au mixed clusters. The nature of the dopant-Au local interactions is a critical factor in determining whether an impurity atom can be used to dope the golden cages.

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Doping the golden cage Au₁₆^- with Si, Ge, and Sn

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