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A quantum mechanical approach to an analytical expression of the single-molecule-single-nanoparticle surface enhanced raman scattering
A quantum mechanical theory elucidating the single- molecule-single-nanoparticle surface enhanced Raman scattering (SERS) process is proposed. The theory attributes the principal mechanism of the process to an increase of the spontaneous emission rate of a molecule adsorbed to a nanoparticle due to the enhanced local electromagnetic field and the Purcell effect. The result is a first-ever analytical expression for the single-molecule- single-nanoparticle SERS enhancement factor in good agreement with experiment.
A quantum mechanical approach to an analytical expression of the single-molecule-single-nanoparticle surface enhanced raman scattering
A quantum mechanical theory elucidating the single- molecule-single-nanoparticle surface enhanced Raman scattering (SERS) process is proposed. The theory attributes the principal mechanism of the process to an increase of the spontaneous emission rate of a molecule adsorbed to a nanoparticle due to the enhanced local electromagnetic field and the Purcell effect. The result is a first-ever analytical expression for the single-molecule- single-nanoparticle SERS enhancement factor in good agreement with experiment.
A quantum mechanical approach to an analytical expression of the single-molecule-single-nanoparticle surface enhanced raman scattering
Wenhua Gu, (Autor:in) / Kyekyoon (Autor:in)
01.10.2006
352281 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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