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Nano Lett. 2006 Apr;6(4):683-8.

Optical properties of star-shaped gold nanoparticles.

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  • 1Department of Physics & Astronomy, Rice University, Houston, Texas 77005, USA.

Abstract

Here we report the synthesis, structure, and optical properties of ca. 100 nm star-shaped gold nanoparticles. Single particle spectroscopy measurements revealed that these nanoparticles have multiple plasmon resonances resulting in polarization-dependent scattering with multiple spectral peaks, which correspond to the different tips on the star-shaped structure. The plasmon resonances were also found to be extremely sensitive to the local dielectric environment.

PMID:
16608264
DOI:
10.1021/nl052409y
[PubMed - indexed for MEDLINE]
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