Intra-and inter-molecular photoexcitations in a cyano- substituted poly(p-phenylenevinylene)

Ifor David William Samuel, G Rumbles, CJ Collison, SC Moratti, AB Holmes

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87 Citations (Scopus)

Abstract

We report a study of time-resolved photoluminescence (PL) in a cyano-substituted poly(p-phenylenevinylene). We have investigated the effect of excitation and emission wavelength as well as solvent on the FL. We observe evidence of luminescence from both intra-and inter-molecular photoexcitations. We find that the relative amounts of these excitations depend strongly on the excitation wavelength and solvent mixture used. (C) 1998 Published by Elsevier Science B.V.

Original languageEnglish
Pages (from-to)75
Number of pages75
JournalChemical Physics
Volume227
Publication statusPublished - 1 Feb 1998

Keywords

  • conjugated polymer
  • PPV
  • photoluminescence
  • singlet exciton
  • excimer
  • aggregate
  • photoexcitation
  • time-resolved spectroscopy
  • AFFINITY CONJUGATED POLYMER
  • TIME-DEPENDENCE
  • LUMINESCENCE
  • PHOTOLUMINESCENCE
  • EFFICIENCY
  • VINYLENE)
  • POLY(PHENYLPHENYLENEVINYLENE)
  • DERIVATIVES
  • ABSORPTION
  • DYNAMICS

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