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Single gold-nanoparticle-enhanced Raman scattering of individual single-walled carbon nanotubes via atomic force microscope manipulation

Tong, Lianming; Li, Zhipeng; Zhu, Tao; Xu, Hongxing LU and Liu, Zhongfan (2008) In Journal of Physical Chemistry C 112(18). p.7119-7123
Abstract
Investigating the electric field distribution around individual metallic nanoparticles is of significant importance for the understanding of the electromagnetic (EM) mechanism of surface-enhanced Raman scattering (SERS). We report single gold-nanoparticle-enhanced Raman scattering of individual single-walled carbon nanotubes (SWNTs) by atomic force microscope (AFM) manipulation. The distance between the gold nanoparticle (GNP) and the SWNT can be controlled by pushing the GNP with an AFM tip. The Raman signals increase when a single GNP is moved close to an individual SWNT, and the corresponding polarization dependence to the incident laser excitation at each GNP/SWNT distance is studied. The agreement of the experimental results with the... (More)
Investigating the electric field distribution around individual metallic nanoparticles is of significant importance for the understanding of the electromagnetic (EM) mechanism of surface-enhanced Raman scattering (SERS). We report single gold-nanoparticle-enhanced Raman scattering of individual single-walled carbon nanotubes (SWNTs) by atomic force microscope (AFM) manipulation. The distance between the gold nanoparticle (GNP) and the SWNT can be controlled by pushing the GNP with an AFM tip. The Raman signals increase when a single GNP is moved close to an individual SWNT, and the corresponding polarization dependence to the incident laser excitation at each GNP/SWNT distance is studied. The agreement of the experimental results with the theoretical model described in this paper suggests a rational modification of the EM enhancement model of SERS for one-dimensional "molecules", like nanotubes. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physical Chemistry C
volume
112
issue
18
pages
7119 - 7123
publisher
The American Chemical Society
external identifiers
  • wos:000255486800005
  • scopus:43949142787
ISSN
1932-7447
DOI
10.1021/jp7102484
language
English
LU publication?
yes
id
7d216a72-ce80-440f-8ff4-786af8662cce (old id 1205292)
date added to LUP
2008-09-18 14:08:32
date last changed
2017-10-01 03:50:01
@article{7d216a72-ce80-440f-8ff4-786af8662cce,
  abstract     = {Investigating the electric field distribution around individual metallic nanoparticles is of significant importance for the understanding of the electromagnetic (EM) mechanism of surface-enhanced Raman scattering (SERS). We report single gold-nanoparticle-enhanced Raman scattering of individual single-walled carbon nanotubes (SWNTs) by atomic force microscope (AFM) manipulation. The distance between the gold nanoparticle (GNP) and the SWNT can be controlled by pushing the GNP with an AFM tip. The Raman signals increase when a single GNP is moved close to an individual SWNT, and the corresponding polarization dependence to the incident laser excitation at each GNP/SWNT distance is studied. The agreement of the experimental results with the theoretical model described in this paper suggests a rational modification of the EM enhancement model of SERS for one-dimensional "molecules", like nanotubes.},
  author       = {Tong, Lianming and Li, Zhipeng and Zhu, Tao and Xu, Hongxing and Liu, Zhongfan},
  issn         = {1932-7447},
  language     = {eng},
  number       = {18},
  pages        = {7119--7123},
  publisher    = {The American Chemical Society},
  series       = {Journal of Physical Chemistry C},
  title        = {Single gold-nanoparticle-enhanced Raman scattering of individual single-walled carbon nanotubes via atomic force microscope manipulation},
  url          = {http://dx.doi.org/10.1021/jp7102484},
  volume       = {112},
  year         = {2008},
}