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. 2006 Apr;6(4):683-8.
doi: 10.1021/nl052409y.

Optical properties of star-shaped gold nanoparticles

Colleen L Nehl  1 , Hongwei Liao, Jason H Hafner
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Free article

Optical properties of star-shaped gold nanoparticles

Colleen L Nehl et al. Nano Lett. 2006 Apr.
Free article

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.

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