Effect of Disorder on Ultrafast Exciton Dynamics Probed by Single Molecule Spectroscopy

J. Hernando Campos, E.M.H.P. van Dijk, J.P. Hoogenboom, J.J. Garcia lopez, David Reinhoudt, Mercedes Crego Calama, M.F. Garcia Parajo, N.F. van Hulst

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We present a single-molecule study unraveling the effect of static disorder on the vibrational-assisted ultrafast exciton dynamics in multichromophoric systems. For every single complex, we probe the initial exciton relaxation process by an ultrafast pump-probe approach and the coupling to vibrational modes by emission spectra, while fluorescence lifetime analysis measures the amount of static disorder. Exploiting the wide range of disorder found from complex to complex, we demonstrate that static disorder accelerates the dephasing and energy relaxation rate of the exciton.
Original languageEnglish
Pages (from-to)216403/1-4
Number of pages4
JournalPhysical review letters
Issue number21
Publication statusPublished - 2006


  • IR-57507
  • METIS-233990

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