Excitation dynamics in conjugated polymers

Heinz Baessler; Volker Brandl; M. Deussen; Ernst O. Goebel; Roland Kersting; Heinrich Kurz; Uli Lemmer; Rainer Friedbert Mahrt; A. Ochse

doi:10.1117/12.200948

9 February 1995 Excitation dynamics in conjugated polymers

Heinz Baessler, Volker Brandl, M. Deussen, Ernst O. Goebel, Roland Kersting, Heinrich Kurz, Uli Lemmer, Rainer Friedbert Mahrt, A. Ochse

Author Affiliations +

Proceedings Volume 2362, International Conference on Excitonic Processes in Condensed Matter; (1995) https://doi.org/10.1117/12.200948
Event: Excitonic Processes in Condensed Matter: International Conference, 1994, Darwin, Australia

Abstract

High resolution cw photoluminescence spectroscopy, energy transfer studies, time and spectrally resolved fluorescence decay as well as quenching of photoluminescence by strong electric fields support the notion that photon absorption in PPV-type conjugated polymers creates neutral excitations. They undergo a random walk among segments of the polymer chain thereby relaxing energetically. In the presence of an electric field they can form off- chain geminate pairs acting as precursors for free charge carriers.

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Heinz Baessler, Volker Brandl, M. Deussen, Ernst O. Goebel, Roland Kersting, Heinrich Kurz, Uli Lemmer, Rainer Friedbert Mahrt, and A. Ochse "Excitation dynamics in conjugated polymers", Proc. SPIE 2362, International Conference on Excitonic Processes in Condensed Matter, (9 February 1995); https://doi.org/10.1117/12.200948

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