ICCAS OpenIR
The red-shift of surface plasmon absorption of 2D nanogold arrangement from disordered to ordered
Tang, Junke1; Li, Jinru1; Rong, Huiling1; Zou, Bingsuo2; Jiang, Long1
2008
Source PublicationJOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
ISSN1533-4880
Volume8Issue:1Pages:348-352
AbstractIn this article, the changing of surface plasmon resonance (SPR) absorption of 2D arrangement of Au (3 nm) nanoparticles coated with 1-dodecanethiol (C12H25SH), obtained at different desolvation extents, had been investigated. It has been found that an obvious red-shifted happened when these arrays changed from loose, disordered to close-packed and ordered. Both transmission electron microscopy pictures and variation of SPR absorption of these arrays showed that the formation of long range two-dimension (2D) arrangement of nanoparticles coated with C12H25SH might be 3: involved in two stages: At the first stage the particles can move freely and random patterns from 0 cc loose to close package was driven by the Brownian Movement of solvated particles and as a result the voids were eliminated. The red shift of SPR absorption with the coverage (d lambda/d theta) is relative W low. At the second stage, where the particles cannot move freely because of lack of solvent and a long-range two-dimension crystal was formed, the SPR shift to a longer wavelength with a larger d lambda/d theta. It is mainly attributed to the strong increase of the orientation and dipolar moment of the absorbed C12H25SH molecule on nanoparticles.
KeywordGold Nanoparticles Two-dimension Array Solvent Evaporation Method Surface Plasmon Resonance
DOI10.1166/jnn.2008.012
Indexed BySCI
Language英语
WOS IDWOS:000253339800031
PublisherAMER SCIENTIFIC PUBLISHERS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64590
Collection中国科学院化学研究所
Corresponding AuthorJiang, Long
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Key Lab Colloid & Interface Sci, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Phys, Nanoscale Phys & Device Lab, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Tang, Junke,Li, Jinru,Rong, Huiling,et al. The red-shift of surface plasmon absorption of 2D nanogold arrangement from disordered to ordered[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2008,8(1):348-352.
APA Tang, Junke,Li, Jinru,Rong, Huiling,Zou, Bingsuo,&Jiang, Long.(2008).The red-shift of surface plasmon absorption of 2D nanogold arrangement from disordered to ordered.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,8(1),348-352.
MLA Tang, Junke,et al."The red-shift of surface plasmon absorption of 2D nanogold arrangement from disordered to ordered".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 8.1(2008):348-352.
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