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Plasmonics

, Volume 13, Issue 4, pp 1227–1234 | Cite as

Decorated Core-Shell Architectures: Influence of the Dimensional Properties on Hybrid Resonances

  • Devon A. Boyne
  • Mark H. Griep
Article

Abstract

Emerging nanoplasmonics utilizing asymmetric core-shell architectures present opportunities to precisely control the plasmon position and signal amplification within a single particle. In particular, asymmetric gold nanorods, assembled into a “matryoshka” structure (gold nanorod core, silica spacer shell, and outer gold shell) have the unique ability to enhance and precisely manipulate the plasmonic signature when compared to single gold nanorods via the generation of hybridized plasmonic modes. Currently, the fundamental understanding of the impact of the gold nanorod matryoshka dimensional parameters on the subsequent resonance behavior is incomplete. In this work, we elucidate the structural-hybridized resonance relationship of gold nanorod nanomatryoshka designs by experimentally varying the key geometrical properties; including silica spacer thickness, gold nanorod core size, and gold shell thickness/continuity.

Keywords

Multishell gold nanorod matryoshka Hybrid resonance particles 

Notes

Acknowledgements

The authors would like to thank Dr. Sasha Teymorian, Dr. Abby West and Mrs. Alexis Fakner for their assistance in material synthesis, and Dr. Scott Walck for instruction on the TEM. DB would like to thank ORISE for support through a post-doctoral fellowship.

This research was supported in part by an appointment to the Postgraduate Research Participation Program at the U.S. Army Research Laboratory administered by the Oak Ridge Institute for Science and Education through an interagency agreement between the US Department of Energy and USARL.

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Copyright information

© Springer Science+Business Media New York (outside the USA) 2017

Authors and Affiliations

  1. 1.U.S. Army Research LaboratoryAberdeen Proving GroundUSA

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