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J Phys Chem A. 2009 Apr 23;113(16):4265-8. doi: 10.1021/jp810837u.

Optical properties of anisotropic core-shell pyramidal particles.

Author information

  • 1Department of Chemistry, Department of Materials Science and Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, USA.

Abstract

This paper describes an approach to fabricate anisotropic core-shell particles by assembling dielectric beads within fabricated noble metal pyramidal structures. Particles with gold (Au) shells and different dielectric cores were generated, and their optical properties were characterized by single particle spectroscopy. Because of their unique geometry, these particles exhibit multiple plasmon resonances from visible to near-IR wavelengths.

PMID:
19290590
[PubMed - indexed for MEDLINE]
PMCID:
PMC2670351
Free PMC Article
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