π-dimers of pyrrole-thiophene oligomer cation radicals

J.A.E.H. Haare, van, L. Groenendaal, E.E. Havinga, E.W. Meijer, R.A.J. Janssen

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Abstract

The redox states of phenyl end-capped oligomers containing pyrrole and thiophene units are characterized with optical absorption and EPR spectroscopy. The spectra give direct evidence for the π-dimerization of the corresponding cation radicals in solution.

Original languageEnglish
Pages (from-to)1091-1092
Number of pages2
JournalSynthetic Metals
Volume85
Issue number1-3
DOIs
Publication statusPublished - 15 Mar 1997

Keywords

  • Electron spin resonance
  • In-situ electrochemical spectroscopy
  • Pyrrole-thiophene oligomers
  • π-Dimers

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