Fluorescence blinking in MEH-PPV single molecules at low temperature

Oleg Mirzov, F Cichos, C von Borczyskowski, Ivan Scheblykin

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16 Citeringar (SciVal)

Sammanfattning

Fluorescence intensity transients of single molecules of the conjugated polymer poly[2-methoxy,5-(2-ethylhexyloxy)-p-phenylene-vinylene] (MEH-PPV) were studied at 15 K. Fluorescence blinking behavior was observed despite the expected low-temperature suppression of energy migration in such disordered molecular systems. Presence of the fluorescence blinking effect at 15K indicates that the single molecules possess a collapsed conformation with characteristic size of not more than several nanometers, which corresponds to only a few exciton hops over a polymer chain. (c) 2004 Elsevier B.V. All rights reserved.
Originalspråkengelska
Sidor (från-till)353-356
TidskriftJournal of Luminescence
Volym112
Utgåva1-4
DOI
StatusPublished - 2005

Bibliografisk information

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Chemical Physics (S) (011001060)

Ämnesklassifikation (UKÄ)

  • Atom- och molekylfysik och optik

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