Resonant Raman Scattering of Poly-3-Alkylthiophenes

MRS Online Proceedings Library volume 173, pages397–402(1989)Cite this article

Abstract

We report Raman scattering measurements on poly-3-heptylthiophene and poly-3-undecylthiophenes both on resonance and preresonance conditions. We have studied different samples as solutions ,solution cast films and electrosynthetized as grown films. Our results indicate that the vibrational frequency of the mode which is strongly coupled to the π - π* electronic transition is sensible to “small” torsions between thiophenes rings , which do not necessarly interrupt completely the conjugation path.

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Affiliations

  1. CNR, Istituto di Chimica delle Macromolecole, via Bassini 15 20133, Milano, USA

    C. Botta, S. Luzzati, A. Bolognesi, M. Catellani & S. Destri

  2. Istituto di Fisica, Università di Sassari, via Vienna 2, USA

    R. Tubino

Authors
  1. C. Botta
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  2. S. Luzzati
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  3. A. Bolognesi
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  4. M. Catellani
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  5. S. Destri
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  6. R. Tubino
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Correspondence to C. Botta.

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Botta, C., Luzzati, S., Bolognesi, A. et al. Resonant Raman Scattering of Poly-3-Alkylthiophenes. MRS Online Proceedings Library 173, 397–402 (1989). https://doi.org/10.1557/PROC-173-397

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