Excitation mechanisms in dye-doped organic light-emitting devices

  • F. Pschenitzkaa, J. C. Sturmb
  • Published 2001


In an organic light-emitting device with a polymeric matrix concurrently doped with two different dyes, the photoluminescence ~PL! and electroluminescence ~EL! spectra are observed to be very different, with both dyes emitting in PL and only one in EL at room temperature. A simple model based on charge trapping and thermal excitation is introduced to… (More)

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