A novel B,O,N-doped mesogen with narrowband MR-TADF emission

Julius A. Knöller*, Burcu Sönmez, Tomas Matulaitis, Abhishek Kumar Gupta, Eli Zysman-Colman*, Sabine Laschat*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Modification of an unsymmetric B,O,N-doped aromatic core with peripheral mesogenic units triggers self-assembly into a columnar hexagonal mesophase, which is stable between 22 and 144 °C. The columnar assembly is preserved in a glassy state below 22 °C. The B,O,N-doped mesogen displays narrowband sky-blue multiresonance thermally activated delayed fluorescence (MR-TADF) under diluted conditions and bright excimer emission in condensed phase. Our combined experimental and theoretical approach provides insight into the development of strongly aggregating liquid crystalline MR-TADF emitters.
Original languageEnglish
Number of pages4
JournalChemical Communications
VolumeAdvance Article
Early online date18 Mar 2024
Publication statusE-pub ahead of print - 18 Mar 2024


  • Materials Chemistry
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • General Chemistry
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials
  • Catalysis


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