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Coherent electronic coupling versus localization in individual molecular dimers

Title data

Lippitz, Markus ; Hübner, Christian G. ; Christ, Thomas ; Eichner, Holger ; Bordat, Patrice ; Herrmann, Andreas ; Müllen, Klaus ; Basche, Thomas:
Coherent electronic coupling versus localization in individual molecular dimers.
In: Physical Review Letters. Vol. 92 (March 2004) Issue 10 . - p. 103001.
ISSN 1079-7114
DOI: https://doi.org/10.1103/PhysRevLett.92.103001

Abstract in another language

We have investigated electronic excitation transfer in individual molecular dimers by time and spectrally resolved confocal fluorescence microscopy. The single molecule measurements allow for directly probing the distribution of the electronic coupling strengths due to static disorder in the polymer host. We find dimers where the excitation is delocalized (superradiant emission) while for others emission originates from a localized state. Transitions between delocalized and localized states as observed for a given dimer are attributed to structural fluctuations of the guest-host system.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik > Lehrstuhl Experimentalphysik III - Nanooptik - Univ.-Prof. Dr. Markus Lippitz
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 17 Dec 2015 08:07
Last Modified: 16 Apr 2018 11:31
URI: https://eref.uni-bayreuth.de/id/eprint/28973