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Laser Fabrication of Gold Nanoparticle Clustered Tips for Use in Apertureless Near-Field Scanning Optical Microscopy

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Title
Laser Fabrication of Gold Nanoparticle Clustered Tips for Use in Apertureless Near-Field Scanning Optical Microscopy
Author(s)
Kyoung-Duck Park; Park, Jung Su; Park, Jin-Ho; Ahn, Tae Kyu; Young Hee Lee; Mun Seok Jeong
Publication Date
2014-08
Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.14, no.8, pp.5961 - 5964
Publisher
AMER SCIENTIFIC PUBLISHERS
Abstract
A laser fabrication method was developed to make gold nanoparticle clustered (GNC) tips for apertureless near-field scanning optical microscopes (ANSOMs) and tip-enhanced Raman spectroscopy (TERS). The near-field Rayleigh and Raman scattering of samples are highly enhanced when a gold nanoparticle cluster is synthesized on the end of the tip. This is due to the lightning rod effect in the sharp tips. The localized electromagnetic field enhancement and the spatial resolution (similar to 30 nm) of the fabricated GNC tip were verified by TERS and ANSOM measurements of carbon nanotubes.
URI
https://pr.ibs.re.kr/handle/8788114/950
ISSN
1533-4880
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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