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Enhanced Förster resonance energy transfer between the CdTe quantum dots in proximity to gold nanoparticles

Vamsi K. Komarala, A. Louise Bradley, Yury P. Rakovich, Stephen J. Byrne, Yurii K. Gun'ko, Andrey L. Rogach

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Förster 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.
Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6641
DOIs
Publication statusPublished - 2007
Externally publishedYes
EventPlasmonics: Metallic Nanostructures and Their Optical Properties V - San Diego, CA, United States
Duration: 26 Aug 200729 Aug 2007

Publication series

Name
Volume6641
ISSN (Print)0277-786X

Conference

ConferencePlasmonics: Metallic Nanostructures and Their Optical Properties V
PlaceUnited States
CitySan Diego, CA
Period26/08/0729/08/07

Research Keywords

  • Exciton dipoles
  • Metal nanoparticles
  • Quantum dots
  • Resonant energy transfer
  • Surface plasmons

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