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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

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.
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https://hal-utt.archives-ouvertes.fr/hal-02860897
Contributor : Jean-Baptiste Vu Van Connect in order to contact the contributor
Submitted on : Monday, June 8, 2020 - 4:32:30 PM
Last modification on : Wednesday, September 15, 2021 - 3:03:27 PM

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Anne-Sophie Grimault, Alexandre Vial, Marc 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. Optics & Photonics 2005, 2005, San Diego, France. pp.59270G, ⟨10.1117/12.614796⟩. ⟨hal-02860897⟩

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