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- Title
Plasmonic Enhancement of Dye Fluorescence in Polymer/Metal Nanocomposites.
- Authors
Roumyantseva, T. B.; Dement'eva, O. V.; Protsenko, I. E.; Zaitseva, A. V.; Sukhov, V. M.; Rudoy, V. M.
- Abstract
The effect of the plasmonic enhancement of dye fluorescence in poly(vinyl butyral) films containing Ag/SiO2 core-shell nanoparticles has been thoroughly studied. It has been shown that the magnitude of this effect can be quite large (up to 5 times) even for a dye having a very high quantum yield (coumarin 7). Therewith, it substantially depends on the size and concentration of Ag/SiO2 particles and the quantum yield of a dye. The results obtained are discussed with involvement of mechanisms reported in the literature for plasmonic enhancement of fluorescence of dyes characterized by high and low quantum yields.
- Subjects
FLUORESCENCE; POLYMERS; METALS; DYES &; dyeing; NANOPARTICLES
- Publication
Colloid Journal, 2019, Vol 81, Issue 6, p733
- ISSN
1061-933X
- Publication type
Article
- DOI
10.1134/S1061933X19060140