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Elucidating interactions of ionic liquids with polymer films using confocal Raman spectroscopy

Thomas Schäfer1, Roberto E Di Paolo, Ricardo Franco

  • 1REQUIMTE-CQFB, Department of Chemistry, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal. tom@dq.fct.unl.pt

Chemical Communications (Cambridge, England)
|May 19, 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...