Transient absorption and reflectivity studies of poly(2,5-thienylene vinylene)

I. D.W. Samuel, K. E. Meyer, D. D.C. Bradley, R. H. Friend, H. Murata, T. Tsutsui, S. Saito

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    Abstract

    We report transient photo-induced absorption and reflectivity measurements on poly(2,5-thienylene vinylene), PTV, using the pump and probe technique. We observe a transient photoinduced bleaching of the inter-band absorption with a rise time of 100 fs, limited by our laser pulse duration, and a relaxation time of 2.6±0.2 ps. We observe the same kinetics in transient reflectivity experiments. We relate this response to the very low quantum yield for luminescence to show the importance of non-radiative relaxation pathways in this material. © 1991.
    Original languageEnglish (US)
    JournalSynthetic Metals
    Volume41
    Issue number3
    DOIs
    StatePublished - May 6 1991

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