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

A.-S. Grimault; A. Vial; M. Lamy de la Chapelle

doi:10.1117/12.614796

31 August 2005 Influence of the shape of a gold nanoparticle on the localized-surface plasmon resonance and the surface-enhanced Raman scattering intensity

A.-S. Grimault, A. Vial, M. Lamy de la Chapelle

Author Affiliations +

Proceedings Volume 5927, Plasmonics: Metallic Nanostructures and Their Optical Properties III; 59270G (2005) https://doi.org/10.1117/12.614796
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

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.

Citation Download 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, Plasmonics: Metallic Nanostructures and Their Optical Properties III, 59270G (31 August 2005); https://doi.org/10.1117/12.614796

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