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Proceedings Paper

Reflectance spectra of metal-dielectric photonic crystals from gold nanoshells
Author(s): S. G. Romanov; C. M. Sotomayor Torres; A. Susha; Z. Liang; F. Caruso
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Paper Abstract

The light reflectance in 3-dimensional metal-dielectric photonic crystals, assembled from polyelectrolyte-coated latex spheres and infiltrated after opal crystallisation with gold nanoparticles, has been studied. Development of the surface plasmon resonance bands of Au nanoshells along the increase of the Au nanoparticle concentration has also been observed, along with deviation of the diffraction resonance dispersion and formation of the specific excitation, which combines photonic crystal optical mode with surface plasmon resonance. For heavy nanoparticle loadings, the reentrant dielectric type behaviour of the metal-dielectric photonic crystal has been seen.

Paper Details

Date Published: 2 June 2005
PDF: 12 pages
Proc. SPIE 5824, Opto-Ireland 2005: Nanotechnology and Nanophotonics, (2 June 2005); doi: 10.1117/12.605185
Show Author Affiliations
S. G. Romanov, Tyndall National Institute, Univ. College Cork (Ireland)
C. M. Sotomayor Torres, Tyndall National Institute, Univ. College Cork (Ireland)
A. Susha, Univ. of Munich (Germany)
Z. Liang, The Univ. of Melbourne (Australia)
F. Caruso, The Univ. of Melbourne (Australia)

Published in SPIE Proceedings Vol. 5824:
Opto-Ireland 2005: Nanotechnology and Nanophotonics
David Kennedy; Werner J. Blau; John Colreavy, Editor(s)

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