Jump to main content
Jump to site search

Issue 12, 2013
Previous Article Next Article

Simple accurate approximations for the optical properties of metallic nanospheres and nanoshells

Author affiliations

Abstract

This work aims to provide simple and accurate closed-form approximations to predict the scattering and absorption spectra of metallic nanospheres and nanoshells supporting localised surface plasmon resonances. Particular attention is given to the validity and accuracy of these expressions in the range of nanoparticle sizes relevant to plasmonics, typically limited to around 100 nm in diameter. Using recent results on the rigorous radiative correction of electrostatic solutions, we propose a new set of long-wavelength polarizability approximations for both nanospheres and nanoshells. The improvement offered by these expressions is demonstrated with direct comparisons to other approximations previously obtained in the literature, and their absolute accuracy is tested against the exact Mie theory.

Graphical abstract: Simple accurate approximations for the optical properties of metallic nanospheres and nanoshells

Back to tab navigation

Supplementary files

Publication details

The article was received on 20 Nov 2012, accepted on 08 Jan 2013 and first published on 09 Jan 2013


Article type: Paper
DOI: 10.1039/C3CP44124E
Citation: Phys. Chem. Chem. Phys., 2013,15, 4233-4242
  •   Request permissions

    Simple accurate approximations for the optical properties of metallic nanospheres and nanoshells

    D. Schebarchov, B. Auguié and E. C. Le Ru, Phys. Chem. Chem. Phys., 2013, 15, 4233
    DOI: 10.1039/C3CP44124E

Search articles by author

Spotlight

Advertisements