Induction of Circularly Polarized Electroluminescence from an Achiral Light-Emitting Polymer via a Chiral Small-Molecule Dopant

Ying Yang, Rosenildo Da Costa, Detlef-M. Smilgies, Alasdair J. Campbell, Matthew J. Fuchter

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Abstract

By simply doping the conventional light-emitting polymer F8BT with a helically chiral aromatic molecule, it is shown that substantial levels of CP-electroluminescence can be generated directly. Both photoluminescent and electroluminescent emission from the polymer are observed to become circularly polarized, with the sign of the CP emission directly determined by the handedness of the dopant.
Original languageEnglish
Pages (from-to)2624–2628
JournalAdvanced Materials
Volume25
Issue number18
DOIs
Publication statusPublished - 2 Apr 2013

Keywords

  • chiral small-molecule dopant
  • circulary polarized electroluminescence
  • azahelicene
  • helicene
  • CP emission
  • electroluminescence

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