Tris(triazolo)triazine-based emitters for solution-processed blue thermally activated delayed fluorescence organic light-emitting diodes

Fabian Hundemer, Ettore Crovini, Yoshimasa Wada, Hironori Kaji, Stefan Bräse, Eli Zysman-Colman

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)
1 Downloads (Pure)

Abstract

We report a new emitter 3,4,5-3TCz-TTT based on a tris(triazolo)triazine acceptor that shows thermally activated delayed fluorescence and cross-compare its performance with the recently reported analogue, 3DMAC-TTT. These compounds show blue emission and delayed fluorescence with delayed lifetimes on the order of milliseconds. Solution-processed organic light-emitting diodes achieving maximum external quantum efficiencies, EQEmax, of 5.8% for 3,4,5-3TCz-TTT and 11.0% for 3DMAC-TTT.
Original languageEnglish
Number of pages10
JournalMaterials Advances
VolumeAdvance Article
Early online date13 Oct 2020
DOIs
Publication statusE-pub ahead of print - 13 Oct 2020

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