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- Park, Kyoung-Duck
- Nano-PhotoEnergy Lab.
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Laser Fabrication of Gold Nanoparticle Clustered Tips for Use in Apertureless Near-Field Scanning Optical Microscopy
- Author(s)
- Park, Kyoung-Duck, Park, Jung Su, Park, Jin-Ho, Ahn, Tae Kyu, Lee, Young Hee, Jeong, Mun Seok
- Issued Date
- 2014-08
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.14, no.8, pp.5961 - 5964
- 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.
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- ISSN
- 1533-4880
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