ICCAS OpenIR
The stability of self-organized 1-nonanethiol-capped gold nanoparticle monolayer
Jiang, P; Xie, SS; Yao, JN; Pang, S; Gao, HJ
2001-08-07
Source PublicationJOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
Volume34Issue:15Pages:2255-2259
Abstract1-Nonanethiol-protected gold nanoparticles with the size of about 2 nm have been prepared by a wet chemical method through choosing a suitable ratio of Au:S (2.5:1). Size selective precipitation of nanoparticles has been used to narrow their size distribution, which facilitates the formation of an ordered nanoparticle close-packed structure. A Fourier transform infrared investigation provides the evidence of the encapsulation of Au nanoparticles by 1-nonanethiol while an ultraviolet-visible spectrum shows a broad absorption around 520 nm, corresponding to surface plasmon band of Au nanoparticles. X-ray photoelectron spectroscopy of the samples demonstrates the metallic state of the gold (Au-0) and the existence of sulfur (S). The data from x-ray powder diffraction measurements confirm that the gold nanoparticles have the same face-centred cubic crystalline structure as the bulk gold phase. Finally, transmission electron microscopy (TEM) characterization indicates that the size of the monodisperse colloidal gold nanoparticles is about 2 nm and they can self-organize to form a two-dimensional hexagonal close-packed structure after evaporating a concentrated drop of nanoparticles-toluene solution on a carbon-coated TEM copper grid.
Indexed BySCI
Language英语
WOS IDWOS:000170544100005
PublisherIOP PUBLISHING LTD
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77138
Collection中国科学院化学研究所
Corresponding AuthorJiang, P
Affiliation1.Chinese Acad Sci, Inst Phys, Beijing Lab Vacuum Phys, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
3.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Jiang, P,Xie, SS,Yao, JN,et al. The stability of self-organized 1-nonanethiol-capped gold nanoparticle monolayer[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2001,34(15):2255-2259.
APA Jiang, P,Xie, SS,Yao, JN,Pang, S,&Gao, HJ.(2001).The stability of self-organized 1-nonanethiol-capped gold nanoparticle monolayer.JOURNAL OF PHYSICS D-APPLIED PHYSICS,34(15),2255-2259.
MLA Jiang, P,et al."The stability of self-organized 1-nonanethiol-capped gold nanoparticle monolayer".JOURNAL OF PHYSICS D-APPLIED PHYSICS 34.15(2001):2255-2259.
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