Optical Properties of Isolated and Supported Metal Nanoparticles
Cecilia Noguez
TL;DR
This paper reviews the linear optical properties of metal nanoparticles, discussing how size, shape, and environment influence their spectra, and highlights optical spectroscopy as a key characterization tool.
Contribution
It provides a comprehensive overview of the phenomena and theoretical calculations related to the optical properties of isolated and supported metal nanoparticles.
Findings
Extinction, absorption, and scattering efficiencies are calculated using Mie theory and DDA.
Optical spectra origins are linked to nanoparticle size, shape, and environment.
Optical spectroscopy is emphasized as a powerful characterization method.
Abstract
A review of the main phenomena related with the linear optical properties of isolated and supported metal nanoparticles is presented. The extinction, absorption and scattering efficiencies are calculated using the Mie theory and the Discrete Dipole Approximation. The origin of the optical spectra is discussed in terms of the size, shape and environment for each nanoparticle. The main optical features of each nanoparticle are identified, showing the tremendous potentiality of optical spectroscopy as a tool of characterization.
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