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Drastic Reduction of Plasmon Damping in Gold Nanorods

Sönnichsen, C., Franzl, T., Wilk, T., von Plessen, G., Feldmann, J., Wilson, O., Mulvaney, P.·2002·Physical Review Letters

Abstract

The dephasing of particle plasmons is investigated using light-scattering spectroscopy on individual gold nanoparticles. We find a drastic reduction of the plasmon dephasing rate in nanorods as compared to small nanospheres due to a suppression of interband damping. The rods studied here also show very little radiation damping, due to their small volumes. These findings imply large local-field enhancement factors and relatively high light-scattering efficiencies, making metal nanorods extremely interesting for optical applications. Comparison with theory shows that pure dephasing and interface damping give negligible contributions to the total plasmon dephasing rate.

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Metadata

Authors
Sönnichsen, C., Franzl, T., Wilk, T., von Plessen, G., Feldmann, J., Wilson, O., & Mulvaney, P.
Venue
Physical Review Letters
Published
2002-01-31
Volume
88
Issue
7
Pages
077402-077402
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2206485707
Cited by
1,798
References
1
FWCI
30.76
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Drastic Reduction of Plasmon Damping in Gold Nanorods. https://app.cochat.ai/papers/10.1103/physrevlett.88.077402
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Sönnichsen, C., Franzl, T., Wilk, T., von Plessen, G., Feldmann, J., Wilson, O., & Mulvaney, P. (2002). Drastic Reduction of Plasmon Damping in Gold Nanorods. Physical Review Letters. https://doi.org/10.1103/physrevlett.88.077402

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