Sub-two nanometer single crystal Au nanowires
Huo, Ziyang1,3; Tsung, Chia-kuang1,2; Huang, Wenyu1,2; Zhang, Xiaofeng4; Yang, Peidong1,2
Source PublicationNANO LETTERS
Other AbstractUltrathin single crystal Au nanowires with diameter of similar to 1.6 nm and length of few micrometers were synthesized with high yield by simply mixing HAuCl4 and oleylamine at room temperature. High resolution transmission electron microscopy studies revealed that all of these nanowires are single crystalline and grew along the [111] direction. The valency evolution of the gold species during the synthesis was studied by X-ray photoelectron spectroscopy, which showed a clear AU(3+) -> Au+ -> Au stepwise reduction at different reaction stages. Small angle X-ray scattering and small-angle X-ray diffraction suggest mesostructure formation upon HAuCl4 and oleylamine mixing. The slow in situ reduction of this mesostructure leads to the formation of ultrathin nanowires in solution. This novel nanowire growth mechanism relies on cooperative interaction, organization, and reaction between inorganic precursor salts and oleylamine.
Indexed BySCI
WOS IDWOS:000257504500044
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Cited Times:406[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
2.Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA
3.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
4.Hitachi High Technol Amer Inc, Elect Microscope Div, Pleasanton, CA 94588 USA
Recommended Citation
GB/T 7714
Huo, Ziyang,Tsung, Chia-kuang,Huang, Wenyu,et al. Sub-two nanometer single crystal Au nanowires[J]. NANO LETTERS,2008,8(7):2041-2044.
APA Huo, Ziyang,Tsung, Chia-kuang,Huang, Wenyu,Zhang, Xiaofeng,&Yang, Peidong.(2008).Sub-two nanometer single crystal Au nanowires.NANO LETTERS,8(7),2041-2044.
MLA Huo, Ziyang,et al."Sub-two nanometer single crystal Au nanowires".NANO LETTERS 8.7(2008):2041-2044.
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