• Effect of metal nanoparticle concentration on localized surface plasmon mediated Förster resonant energy transfer

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    2012

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    M. Lunz, X. Zhang, V. A. Gerard, Y. K. Gun'ko, V. Lesnyak, N. Gaponik, A. S. Susha, A. L. Rogach and A. L. Bradley, Effect of metal nanoparticle concentration on localized surface plasmon mediated Förster resonant energy transfer, Journal of Physical Chemistry C, 2012, 116, 50, 26529-26534

    Abstract

    The influence of gold nanoparticle concentration on signatures of localized surface plasmon mediated Förster resonant energy transfer is investigated in a quantum dot–gold nanoparticle sandwich structure. At lower gold nanoparticle concentrations, localized surface plasmon mediated Förster resonant energy transfer enhancement of the acceptor emission is observed. At higher gold nanoparticle concentrations, the acceptor emission is reduced despite faster localized surface plasmon enhanced Förster resonant energy transfer rates being achieved. This is attributed to competition between localized surface plasmon mediated Förster resonant energy transfer and gold nanoparticle quenching effects.

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    http://hdl.handle.net/2262/93062

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    Physics (Scholarly Publications)
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    Keywords

    Quantum dots, Nanocrystals, Colloidal metal nanoparticles, Localised surface plasmons, Förster resonant energy transfer, Non-radiative energy transfer
    Author's Homepage: http://people.tcd.ie/bradlel

    Author: Bradley, Louise

    Author: Gounko, Iouri

    Type of material: Journal Article