Resonant Raman Scattering of Poly-3-Alkylthiophenes


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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  1. 1.

    Hanndbook of Conducting Polymers, edited by T.J. Skotheim (Marcel Dekker, New York, 1986).

  2. 2.

    W.R. Salaneck, O. Inganas, B. Thémans, J.O. Nilsson, B. Sjogren, J.E. Osterholm, J.L. Brédas and S. Svensson, J. Chem. Phys. 89, 4613 (1988).

    CAS  Article  Google Scholar 

  3. 3.

    S.D.D.V. Rughooputh, S. Hotta, A.J. Heeger and F. Wudl, J. of Polymer Sci. Polymer Phys., 25, 1071 (1987).

    CAS  Article  Google Scholar 

  4. 4.

    O. Inganas, W.R. Salaneck, J.E. Osterholm and J. Laakso, Synth. Met., 22, 395 (1988).

    CAS  Article  Google Scholar 

  5. 5.

    K. Yoshino, S. Nakajima, D.H. Park and R. Sujimoto, Jpn. J. Appl. Phys., 27, L454, (1988).

    CAS  Article  Google Scholar 

  6. 6.

    K. Yoshino, S. Nakajima, D.H. Park and R. Sujimoto, Jpn. J. Appl. Phys., 27, L716, (1988).

    CAS  Article  Google Scholar 

  7. 7.

    J.R. Linton, C.W. Frank, S.D.D.V. Rughooputh, Synth. Met., 28, C393, (1989).

    CAS  Article  Google Scholar 

  8. 8.

    D. Spiegel, P. Pincus and A.J. Heeger, Synth. Met., 28, C385, (1989).

    CAS  Article  Google Scholar 

  9. 9.

    S. Hotta, M. Soga, Ν. Somoda, Synth. Met., 26, 267 (1988).

    CAS  Article  Google Scholar 

  10. 10.

    M.J. Winokur, D. Spiegel, Y. Kim, S. Hotta and A.J. Heeger, Synth. Met., 28, C419, (1989).

    CAS  Article  Google Scholar 

  11. 11.

    M. Sundberg, O. Inganas, S. Stafstrom, G. Gustafsson and B. Sjogren, Solid State Comm., 71 (6), 435, (1989).

    CAS  Article  Google Scholar 

  12. 12.

    E.F. Steigmeier, H. Auderset, W. Kobel and D. Baeryswyl, Shynth. Met., 18, 219, (1987).

    CAS  Article  Google Scholar 

  13. 13.

    M. Akimoto, Y. Furukawa, H. Takeuchi, I. Harada, Y. Soma, M. Soma, Synth. Met., 15, 353, (1986).

    CAS  Article  Google Scholar 

  14. 14.

    F.R. Dollish, W.G. Fately, and F.F. Beutty, Characteristic Raman frequencies of Organic Compounds, (John Wiley, 1974).

  15. 15.

    D.B. Fitchen, Mol. Cryst. Liq. Cryst., 83, 1127 (1982).

    CAS  Article  Google Scholar 

  16. 16.

    Y. Furukawa, M. Akimoto and I. Harada, Synth. Met., 18, 151, (1987).

    CAS  Article  Google Scholar 

  17. 17.

    W. Porzio, private communication.

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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).

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