Ultrafast single-molecule photonics: Excited state dynamics in coherently coupled complexes

Jordi Hernando, Jacob Hoogenboom, Erik van Dijk, Maria Garcia-Parajo, Niek F. van Hulst

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Abstract

We present a single-molecule study on femtosecond dynamics in multichromophoric systems, combining fs pump-probe, emission-spectra and fluorescence-lifetime analysis. The ultrafast fs approach gives direct information on the initial exciton dynamics after excitation. The lifetime data show superradiance, a direct measure for the extent of the coherent coupling and static disorder. The spectra finally reveal the role of exciton-phonon coupling. At the single-molecule level a wide range of exciton delocalization lengths and energy redistribution times is revealed. © 2007 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1050-1052
JournalJournal of Luminescence
Volume128
Issue number5-6
DOIs
Publication statusPublished - 1 May 2008

Keywords

  • Exciton delocalization
  • Exciton-phonon coupling
  • Pump-probe
  • Single-molecule detection
  • Superradiance

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