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Plasmonics

, Volume 14, Issue 2, pp 285–291 | Cite as

Localized Surface Plasmons of Supershape Nanoparticle Dimers

  • F. BabaeiEmail author
  • M. Javidnasab
  • A. Rezaei
Article

Abstract

In this work, the all plasmonic bands of supershape nanoparticle dimers were investigated using finite difference time domain simulations. The localized surface plasmons of dimers were extracted from extinction spectra. The effects of different surrounding materials and dimer gaps were reported on dimer plasmons. The obtained results showed that there exist the multiple plasmonic modes in supershape nanoparticle dimers. The electric field distribution of supershape nanoparticle dimers was studied at resonance wavelength of dimer plasmons. We found that formation bonding modes in dimers can be related to creation hot spots in low dimer gap. This study can be a base for the characterization of multiple dimer plasmons in plasmonic devices for sensing applications.

Keywords

Plasmons Nanoparticles Sensing 

Notes

Acknowledgments

This work was carried out with the support of the University of Qom and University of Tabriz.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of PhysicsUniversity of QomQomIran
  2. 2.Faculty of PhysicsUniversity of TabrizTabrizIran
  3. 3.Faculty of Chemical and Petroleum EngineeringUniversity of TabrizTabrizIran

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