Electro-absorption spectroscopy of thienylene derived conjugated polymers

O. M. Gelsen, D. D.C. Bradley, H. Murata, T. Tsutsui, S. Saito, J. Rühe, G. Wegner

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    We report electro-absorption spectra for three thiophene derived conjugated polymers, namely poly (2,5-thienylene vinylene) [PTV], poly(3-hexyl thiophene) [P3HT] and poly(3-dodecyl thiophene) [P3DT]. The induced absorption changes which scale quadratically with applied field are peaked in the vicinity of the π-π* absorption edge with Δαmax ≈ 130 cm-1 at 100 kV/cm for PTV and of order 10 to 15 times less at comparable fields for both P3HT and P3DT. © 1991.
    Original languageEnglish (US)
    JournalSynthetic Metals
    Issue number3
    StatePublished - May 6 1991


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