Methods for Describing the Electromagnetic Properties of Silver and Gold Nanoparticles

Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113.
Accounts of Chemical Research (Impact Factor: 22.32). 09/2008; 41(12):1710-20. DOI: 10.1021/ar800028j
Source: PubMed

ABSTRACT This Account provides an overview of the methods that are currently being used to study the electromagnetics of silver and gold nanoparticles, with an emphasis on the determination of extinction and surface-enhanced Raman scattering (SERS) spectra. These methods have proven to be immensely useful in recent years for interpreting a wide range of nanoscience experiments and providing the capability to describe optical properties of particles up to several hundred nanometers in dimension, including arbitrary particle structures and complex dielectric environments (adsorbed layers of molecules, nearby metal films, and other particles). While some of the methods date back to Mie’s celebrated work a century ago, others are still at the forefront of algorithm development in computational electromagnetics.

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