Surface-Enhanced Raman Scattering in Metal Microspheres

Surface-Enhanced Raman Scattering in Metal Microspheres

We present an analytical theory of plasmons excited in spherical metal resonators filled with the molecules under study. A simple L‒C model of plasmons generated in a metal nanoshell is developed. The electromagnetic mechanism of surface-enhanced (giant) Raman scattering (SERS) can be investigated q...

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Veröffentlicht in:Bulletin of the Lebedev Physics Institute 2023-12, Vol.50 (Suppl 13), p.S1492-S1503
Hauptverfasser: Sarychev, A. K., Ivanov, A. V., Bykov, I. V., Shestopalova, M. S., Mochalov, K. E.
Format: Artikel
Sprache:eng
Schlagworte:
Microspheres
Physics
Physics and Astronomy
Plasmons
Polystyrene resins
Qualitative analysis
Raman spectra
Silver
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Zusammenfassung:We present an analytical theory of plasmons excited in spherical metal resonators filled with the molecules under study. A simple L‒C model of plasmons generated in a metal nanoshell is developed. The electromagnetic mechanism of surface-enhanced (giant) Raman scattering (SERS) can be investigated qualitatively and quantitatively. The theoretical results are in qualitative agreement with computer simulations. The results of the SERS experiment in polystyrene spheres coated with a silver nanolayer are presented.
ISSN:1068-3356
1934-838X
DOI:10.3103/S106833562360242X