Intermolecular energy transfer in photo- and electroluminescence properties of a europium(III) complex dispersed in poly(vinylcarbazole)

Guolun Zhong, Kyungkon Kim, Jung Il Jin

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Abstract

Intermolecular energy transfer in photo- and electroluminescence properties of a europium(III) complex dispersed in poly(vinylcarbazole) was discussed. Both Gd(TTA)3Phen and tris(8-hydroxyquinoline) aluminum (Alq3) were used as an electron transporting layer in order to compare their electron energy transfer properties in organic light emitting diodes (OLED). Results showed that the light emitting diodes of the device I emitted only red light from Eu(III) and the device II emitted both green and red lights and revealed a strong electric field dependence in the ratio of emitted light intensities in green and red.

Original languageEnglish
Article number9247
Pages (from-to)193-198
Number of pages6
JournalSynthetic Metals
Volume129
Issue number2
DOIs
StatePublished - 2002

Keywords

  • Electroluminescence
  • Intermolecular energy transfer
  • Photoluminescence
  • Poly(N-vinylcarbazole)
  • Rare earth complex
  • Tris(8-hydroxyquinoline) aluminum

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