Shape effects on surface plasmons in spherical, cubic, and rod-shaped silver nanoparticles

Dimitrios C. Tzarouchis*, Pasi Ylä-Oijala, Tapio Ala-Nissilä, Ari Sihvola

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

The localized surface plasmon resonances of silver nanoparticles are explored by applying numerical full-wave electrodynamic simulations. In this work the plasmonic response of spherical, cubic and cylindrical rod-shaped silver nanoparticles, and shapes varying continuously between them are presented. The electrodynamic characterization is done by their extinction, albedo, and the corresponding resonant surface field distributions. Several shape effects on the plasmonic resonances are elucidated, enabling the proper adjustment of their response for application-oriented purposes.

Original languageEnglish
Article number298
Number of pages7
JournalAPPLIED PHYSICS A-MATERIALS SCIENCE AND PROCESSING
Volume122
Issue number4
DOIs
Publication statusPublished - 1 Apr 2016
MoE publication typeA1 Journal article-refereed

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