Green emission from poly(fluorene)s: The role of oxidation

Egbert Zojer*, Alexander Pogantsch, Emmanuelle Hennebicq, David Beljonne, Jean-Luc Bredas, Patricia Scandiucci De Freitas, Ullrich Scherf, Emil J.W. List

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

205 Scopus citations

Abstract

The optical properties of poly(fluorene) materials, in which a small fraction (0.2%, 0.5%, and 2%) of the fluorene units was replaced by fluorenone segments, were studied. In the solid state, even such low concentrations of ketone groups resulted in an efficient energy transfer to a redshifted emissive state. Correlated quantum-chemical calculations allowed an unambiguous identification of this emissive state as being related to the inclusion of the fluorenone units.

Original languageEnglish (US)
Pages (from-to)6794-6802
Number of pages9
JournalJournal of Chemical Physics
Volume117
Issue number14
DOIs
StatePublished - Oct 8 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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