Fluorescence enhancement through modified dye molecule absorption associated with the localized surface plasmon resonances of metallic dimers

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Fluorescence enhancement through modified dye molecule absorption associated with the localized surface plasmon resonances of metallic dimers

Please use this identifier to cite or link to this item: http://hdl.handle.net/10036/47825

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Title: Fluorescence enhancement through modified dye molecule absorption associated with the localized surface plasmon resonances of metallic dimers
Author: Zoriniants, George
Barnes, William L.
Citation: 10, article 105002
Publisher: Institute of Physics and Deutsche Physikalische Gesellschaft
Journal: New Journal of Physics
Date Issued: 2008
URI: http://hdl.handle.net/10036/47825
DOI: 10.1088/1367-2630/10/10/105002
Links: http://dx.doi.org/10.1088/1367-2630/10/10/105002 http://www.iop.org/EJ/abstract/1367-2630/10/10/105002
Abstract: Nano-antennae consisting of gold particle dimers were fabricated by electron-beam lithography. Dark-field scattering spectroscopy was used to probe the plasmonic response of individual nano-antennae and to characterize the localized surface plasmon resonances they support. Fluorescence from dye molecules dispersed in a thin polymer film that covered the dimers was used to probe the interaction between fluorophores and the nano-antennae. Through a suitable choice of dye emission spectrum and spectral position of the dimer resonance, we were able to focus on the way the plasmon resonances may mediate absorption of incident light by the dye. We separated out the role of plasmon resonances on absorption from emission. This was done using energy transfer in a donor–acceptor pair of dyes.
Type: Article
Description: Copyright © 2008 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. This is the published version of an article published in New Journal of Physics Vol. 10, article 105002. DOI: 10.1088/1367-2630/10/10/105002
ISSN: 1367-2630


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