Applied Physics A

, Volume 106, Issue 4, pp 803–806

Dynamics of optically excited electrons in the conducting polymer PEDT:PSS

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Abstract

Femtosecond time-resolved two-photon photoemission spectroscopy is employed to study the dynamics of the non-equilibrium electron distribution in the conducting polymer poly(3,4-ethylene-dioxythiophene): poly-(styrenesulfonate) (PEDT:PSS) film following optical excitation at 2.1 eV. We found that the electron thermalization occurs on a ultrafast timescale of around 60 fs analogous to the relaxation times of optically excited electrons in Au(111).

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© Springer-Verlag 2012

Authors and Affiliations

  1. 1.Fachbereich PhysikFreie Universität BerlinBerlinGermany

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