Time and spectrally resolved enhanced fluorescence using silver nanoparticle impregnated polycarbonate substrates
Time and spectrally resolved enhanced fluorescence using silver nanoparticle impregnated polycarbonate substrates
Silver nanoparticle impregnated polycarbonate strips have been investigated as substrates for metal-enhanced photoluminescence of a blue emitting dye molecule (coumarin 102). By considering simultaneous time and spectrally resolved photoluminescence we observed fluorescence enhancement resulting from plasmon coupling with an increase in the emission by a factor of ~8.5 with an associated reduction in the photon lifetime. We relate the fast and slow components of the observed emission decay to the presence of both monomers and aggregates in the films and we discuss their different responses to the plasmon coupling.
261114-[3pp.]
Lagonigro, Laura
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Peacock, Anna C.
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Rohrmoser, Stefan
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Hasell, Tom
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Howdle, Steven M.
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Sazio, Pier J.A.
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Lagoudakis, Pavlos G.
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29 December 2008
Lagonigro, Laura
99b15676-f139-4a7d-a16d-f8e41a615e92
Peacock, Anna C.
685d924c-ef6b-401b-a0bd-acf1f8e758fc
Rohrmoser, Stefan
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Hasell, Tom
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Howdle, Steven M.
ec70f53e-a5df-4e99-9da2-f90582dde80b
Sazio, Pier J.A.
0d6200b5-9947-469a-8e97-9147da8a7158
Lagoudakis, Pavlos G.
ea50c228-f006-4edf-8459-60015d961bbf
Lagonigro, Laura, Peacock, Anna C., Rohrmoser, Stefan, Hasell, Tom, Howdle, Steven M., Sazio, Pier J.A. and Lagoudakis, Pavlos G.
(2008)
Time and spectrally resolved enhanced fluorescence using silver nanoparticle impregnated polycarbonate substrates.
Applied Physics Letters, 93 (26), .
(doi:10.1063/1.3059567).
Abstract
Silver nanoparticle impregnated polycarbonate strips have been investigated as substrates for metal-enhanced photoluminescence of a blue emitting dye molecule (coumarin 102). By considering simultaneous time and spectrally resolved photoluminescence we observed fluorescence enhancement resulting from plasmon coupling with an increase in the emission by a factor of ~8.5 with an associated reduction in the photon lifetime. We relate the fast and slow components of the observed emission decay to the presence of both monomers and aggregates in the films and we discuss their different responses to the plasmon coupling.
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Published date: 29 December 2008
Identifiers
Local EPrints ID: 65824
URI: http://eprints.soton.ac.uk/id/eprint/65824
ISSN: 0003-6951
PURE UUID: f74310ff-06b6-47c3-b51d-355cc73437d2
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Date deposited: 20 Mar 2009
Last modified: 14 Mar 2024 02:47
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Contributors
Author:
Laura Lagonigro
Author:
Anna C. Peacock
Author:
Stefan Rohrmoser
Author:
Tom Hasell
Author:
Steven M. Howdle
Author:
Pavlos G. Lagoudakis
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