Design of multi-resonance thermally activated delayed fluorescence materials for organic light-emitting diodes

Subeesh Madayanad Suresh, Eimantas Duda, Frank Julian Kahle, David Hall, Sergey Bagnich, Heinz Bässler, David Beljonne, Yoann Olivier, Anna Köhler, Eli Zysman-Colman

Research output: Contribution to journalMeeting abstractpeer-review

Abstract

The development of near UV-emitting materials will be presented. A novel ladder-like multiresonant thermally activated delayed fluorescence (TADF) compound was studied in the solid state. The compound shows narrow near UV-emission centered at 395 nm of optical excitation and at 410 nm in an OLED; however, the efficiency remains low. Photophysical studies reveal the presence of aggregate or excimer-like species that seem to provide an additional loss channel.

Original languageEnglish
Pages (from-to)228-231
Number of pages4
JournalSID International Symposium. Digest of Technical Papers
Volume52
Issue number1
DOIs
Publication statusPublished - 2021
Event58th International Symposium on Digest of Technical Papers, ICDT 2021 - Virtual, Online
Duration: 17 May 202121 May 2021

Keywords

  • Boron
  • Deep blue
  • Fluorescence
  • Multiresonant thermally activated delayed fluorescence
  • Organic light-emitting diodes
  • Thermally activated delayed fluorescence
  • Thin layers
  • Triplet-triplet annihilation

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