Coherent Electronic Coupling versus Localization in Individual Molecular Dimers

Markus Lippitz*, Christian G. Hübner, Thomas Christ, Holger Eichner, Patrice Bordat, Andreas Herrmann, Klaus Müllen, Thomas Basché

*Corresponding author for this work
72 Citations (Scopus)


The electronic excitation transfer and coherent electronic coupling strength were investigated in molecular dimers by spectrally resolved confocal fluorescence spectroscopy. The direct probe of electronic coupling strength distribution was possible due to static disorder in polymer host by single molecule measurements. The dimers with delocalized excitation were also found in comparison to emission originated from localized states. The delocalized and localized state transitions were observed for dimers which were attributed to structural fluctuations of guest-host system.

Original languageEnglish
Article number103001
JournalPhysical Review Letters
Issue number10
Publication statusPublished - 12.03.2004


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