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

  • Manuela Lunz
  • , Xia Zhang
  • , Valerie A. Gerard
  • , Yurii K. Gun'Ko
  • , Vladimir Lesnyak
  • , Nikolai Gaponik
  • , Andrei S. Susha
  • , Andrey L. Rogach
  • , A. Louise Bradley

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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. © 2012 American Chemical Society.
Original languageEnglish
Pages (from-to)26529-26534
JournalThe Journal of Physical Chemistry C
Volume116
Issue number50
DOIs
Publication statusPublished - 20 Dec 2012

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