Modeling of semi-shell nanostructures formed by metal deposition on dielectric nanospheres and numerical evaluation of plasmonic properties

Ryushi Fujimura, Ruzhi Zhang, Yoshitaka Kitamoto, Masayuki Shimojo, Kotaro Kajikawa

研究成果: Article査読

6 被引用数 (Scopus)

抄録

A theoretical model of semi-shell structures formed by metal deposition is constructed for accurate prediction of plasmonic properties. Our model takes account of the influence of metal migration after deposition and the granular nature of the metal. Validity of our model was confirmed by the fact that the plasmonic resonances simulated by our model agreed well with those obtained by experiment. Simulations using the discrete dipole approximation revealed that the semi-shells formed by metal deposition show a larger absorption cross-section than semi-shells fabricated by reshaping of fully-covered core-shells. The deposition type semi-shell is suitable for the photothermal therapy because a larger temperature rise is expected due to greater absorption.

本文言語English
論文番号035201
ジャーナルJapanese Journal of Applied Physics
53
3
DOI
出版ステータスPublished - 2014 3

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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