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Enhanced light extraction from emitters close to clusters of resonant plasmonic nanoantennas

Enhanced light extraction from emitters close to clusters of resonant plasmonic nanoantennas
Enhanced light extraction from emitters close to clusters of resonant plasmonic nanoantennas
We perform time-resolved fluorescence spectroscopy on clusters of plasmonic nanoantennas covered with a dye–polymer mixture. Dimer antenna structures were fabricated consisting of two interacting gold nanorods with varying lengths and interparticle separation. By combining four individual antennas into a cluster within a diffraction limited spot size, we can couple out half of the dye molecule fluorescence via antenna plasmons. Two-dimensional confocal fluorescence lifetime scans visualize the spontaneous emission enhancement of the molecular fluorescence around the antenna clusters.
plasmon enhanced, fluorescence, nanoantennas
0921-5107
216-219
Muskens, O.L.
3c3a4591-b734-47c3-a000-f5a4d932bd31
Gomez Rivas, J.
5db4f177-c427-495f-b3f4-59be043b3298
Muskens, O.L.
3c3a4591-b734-47c3-a000-f5a4d932bd31
Gomez Rivas, J.
5db4f177-c427-495f-b3f4-59be043b3298

Muskens, O.L. and Gomez Rivas, J. (2008) Enhanced light extraction from emitters close to clusters of resonant plasmonic nanoantennas. Materials Science and Engineering: B, 149 (3), 216-219. (doi:10.1016/j.mseb.2007.10.021).

Record type: Article

Abstract

We perform time-resolved fluorescence spectroscopy on clusters of plasmonic nanoantennas covered with a dye–polymer mixture. Dimer antenna structures were fabricated consisting of two interacting gold nanorods with varying lengths and interparticle separation. By combining four individual antennas into a cluster within a diffraction limited spot size, we can couple out half of the dye molecule fluorescence via antenna plasmons. Two-dimensional confocal fluorescence lifetime scans visualize the spontaneous emission enhancement of the molecular fluorescence around the antenna clusters.

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Published date: 15 April 2008
Keywords: plasmon enhanced, fluorescence, nanoantennas

Identifiers

Local EPrints ID: 144331
URI: http://eprints.soton.ac.uk/id/eprint/144331
ISSN: 0921-5107
PURE UUID: f816bb3d-359b-4e4f-b281-9822c37684f2

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Date deposited: 14 Apr 2010 09:41
Last modified: 14 Mar 2024 00:46

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Contributors

Author: O.L. Muskens
Author: J. Gomez Rivas

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