Tunability of the Refractive Index of Gold Nanoparticle Dispersions
Nano Letters2007Vol. 7(11), pp. 3418–3423
Citations Over TimeTop 10% of 2007 papers
Abstract
Alkanethiol-capped gold nanoparticles dispersed in n-dodecane were studied by spectroscopic ellipsometry and were modeled using Mie scattering theory. The refractive index in the visible and near-infrared depended on the volume fraction of gold nanoparticles, in good agreement with the theoretical expectation that such dispersed plasmonic nanoparticles can act as low or tunable refractive index materials at specific optical wavelengths.
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