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Proceedings Paper

Enhanced Förster resonance energy transfer between the CdTe quantum dots in proximity to gold nanoparticles
Author(s): Vamsi K. Komarala; A. Louise Bradley; Yury P. Rakovich; Stephen J. Byrne; Yurri K. Gun'ko; Andrey L. Rogach
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Paper Abstract

F&diaero;rster resonant energy transfer (FRET) between the CdTe quantum dot (QD) acting as donors and acceptors is investigated at nanoscale proximity to gold nanoparticles (Au NPs). Photoluminescence (PL) studies of the acceptor QD emission from a mixed monolayer showed a distance dependent enhancement of the acceptor emission compared with that achieved for a donor-acceptor mixed monolayer in the absence of the Au NP layer. Time-resolved photoluminescence measurements showing a reduction in the donor lifetime, accompanied by an increase in the acceptor PL lifetime, provide further evidence for surface plasmon enhanced FRET.

Paper Details

Date Published: 2 October 2007
PDF: 8 pages
Proc. SPIE 6641, Plasmonics: Metallic Nanostructures and Their Optical Properties V, 66410Y (2 October 2007); doi: 10.1117/12.732147
Show Author Affiliations
Vamsi K. Komarala, Trinity College Dublin (Ireland)
A. Louise Bradley, Trinity College Dublin (Ireland)
Yury P. Rakovich, Trinity College Dublin (Ireland)
Stephen J. Byrne, Trinity College Dublin (Ireland)
Yurri K. Gun'ko, Trinity College Dublin (Ireland)
Andrey L. Rogach, Ludwig-Maximilians-Univ. Munich (Germany)

Published in SPIE Proceedings Vol. 6641:
Plasmonics: Metallic Nanostructures and Their Optical Properties V
Mark I. Stockman, Editor(s)

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