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Surface-enhanced Raman scattering on colloidal nanostructures

R F Aroca1, R A Alvarez-Puebla, N Pieczonka

  • 1Materials and Surface Science Group, University of Windsor, Windsor, Ontario, Canada. raroca1@cogeco.ca

Advances in Colloid and Interface Science
|October 11, 2005
PubMed

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Raman Spectroscopy: Overview01:20

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The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and the...