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Influence of the shape of a gold nanoparticle on the localized-surface plasmon resonance and the surface-enhanced Raman scattering intensity

Proc. SPIE 5927, 59270G (2005); doi:10.1117/12.614796

Sunday 31 July 2005
San Diego, CA, USA
Plasmonics: Metallic Nanostructures and Their Optical Properties III
Mark I. Stockman
A.-S. Grimault, A. Vial, and M. Lamy de la Chapelle

Lab. de Nanotechnologie et d'Instrumentation Optique, CNRS (France)

We study localized-surface plasmon resonance (LSPR) and the surface-enhanced Raman scattering (SERS) gain of gold cylindrical and ellipsoidal nanorods of different diameter or major axis. The LSPR and SERS gains are calculated with the three dimensional Finite-Difference Time-Domain method using Drude-Lorentz dispersion model. We find that the maxima of the extinction spectrum and the average SERS gain of each investigated nanostructures are shifted whatever their size and their shape.

© 2005 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

History
Online Aug 31, 2005
Citation
A.-S. Grimault, A. Vial and M. Lamy de la Chapelle, "Influence of the shape of a gold nanoparticle on the localized-surface plasmon resonance and the surface-enhanced Raman scattering intensity", Proc. SPIE 5927, 59270G (2005); doi:10.1117/12.614796

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