Interference of surface plasmon resonances causes enhanced depolarized light scattering from metal nanoparticles

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We show that the strongly depolarized light scattering from noble metal particles is a result of interference of two surface plasmon resonances on the same particle. The maximum depolarization occurs between two resonances. Under favorable conditions the anisotropy of the scattering light can be much lower than what is possible for dielectric particles. This explanation is discussed in relation to earlier published experimental measurements. Comparison of experimental results with theoretical calculations provides information on the shape distribution of metallic particles in the suspension.

Original languageEnglish
Pages (from-to)326-330
Number of pages5
JournalChemical Physics Letters
Volume434
Issue number4-6
DOIs
StatePublished - 5 Feb 2007

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Light Metals
Metal nanoparticles
Surface plasmon resonance
surface plasmon resonance
Light scattering
light scattering
interference
nanoparticles
causes
Depolarization
Precious metals
metals
Suspensions
Anisotropy
metal particles
noble metals
depolarization
anisotropy

Cite this

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title = "Interference of surface plasmon resonances causes enhanced depolarized light scattering from metal nanoparticles",
abstract = "We show that the strongly depolarized light scattering from noble metal particles is a result of interference of two surface plasmon resonances on the same particle. The maximum depolarization occurs between two resonances. Under favorable conditions the anisotropy of the scattering light can be much lower than what is possible for dielectric particles. This explanation is discussed in relation to earlier published experimental measurements. Comparison of experimental results with theoretical calculations provides information on the shape distribution of metallic particles in the suspension.",
author = "Nils Calander and Ignacy Gryczynski and Zygmunt Gryczynski",
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Interference of surface plasmon resonances causes enhanced depolarized light scattering from metal nanoparticles. / Calander, Nils; Gryczynski, Ignacy; Gryczynski, Zygmunt.

In: Chemical Physics Letters, Vol. 434, No. 4-6, 05.02.2007, p. 326-330.

Research output: Contribution to journalArticle

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AU - Gryczynski, Ignacy

AU - Gryczynski, Zygmunt

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AB - We show that the strongly depolarized light scattering from noble metal particles is a result of interference of two surface plasmon resonances on the same particle. The maximum depolarization occurs between two resonances. Under favorable conditions the anisotropy of the scattering light can be much lower than what is possible for dielectric particles. This explanation is discussed in relation to earlier published experimental measurements. Comparison of experimental results with theoretical calculations provides information on the shape distribution of metallic particles in the suspension.

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