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Cited by 478

The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.

Plasmonic Nanoclusters: Near Field Properties of the Fano Resonance Interrogated with SERS

Ye, Jian, Wen, Fangfang, Sobhani, Heidar, Lassiter, J. Britt, Van Dorpe, Pol, Nordlander, Peter, Halas, Naomi J.·2012·Nano Letters

Abstract

While the far field properties of Fano resonances are well-known, clusters of plasmonic nanoparticles also possess Fano resonances with unique and spatially complex near field properties. Here we examine the near field properties of individual Fano resonant plasmonic clusters using surface-enhanced Raman scattering (SERS) both from molecules distributed randomly on the structure and from dielectric nanoparticles deposited at specific locations within the cluster. Cluster size, geometry, and interparticle spacing all modify the near field properties of the Fano resonance. For molecules, the spatially dependent SERS response obtained from near field calculations correlates well with the relative SERS intensities observed for individual clusters and for specific Stokes modes of a para-mercaptoaniline adsorbate. In all cases, the largest SERS enhancement is found when both the excitation and the Stokes shifted wavelengths overlap the Fano resonances. In contrast, for SERS from carbon nanoparticles we find that the dielectric screening introduced by the nanoparticle can drastically redistribute the field enhancement associated with the Fano resonance and lead to a significantly modified SERS response compared to what would be anticipated from the bare nanocluster.

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Crossref · 10.1021/nl3000453

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Metadata

Authors
Ye, J., Wen, F., Sobhani, H., Lassiter, J. B., Van Dorpe, P., Nordlander, P., & Halas, N. J.
Venue
Nano Letters
Published
2012-02-23
Volume
12
Issue
3
Pages
1660-1667
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2316823983
Cited by
478
References
22
FWCI
20.76
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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