Issue 18, 2024

A fluorene-bridged double carbonyl/amine multiresonant thermally activated delayed fluorescence emitter for efficient green OLEDs

Abstract

Herein, we report a fluorene-bridged double carbonyl/amine-based MR TADF emitter DDiKTa-F, formed by locking the conformation of the previously reported compound DDiKTa. Using this strategy, DDiKTa-F exhibited narrower, brighter, and red-shifted emission. The OLEDs with DDiKTa-F emitted at 493 nm and showed an EQEmax of 15.3% with an efficiency roll-off of 35% at 100 cd m−2.

Graphical abstract: A fluorene-bridged double carbonyl/amine multiresonant thermally activated delayed fluorescence emitter for efficient green OLEDs

Supplementary files

Article information

Article type
Communication
Submitted
25 Nov 2023
Accepted
21 Dec 2023
First published
22 Dec 2023
This article is Open Access
Creative Commons BY license

Chem. Commun., 2024,60, 2489-2492

A fluorene-bridged double carbonyl/amine multiresonant thermally activated delayed fluorescence emitter for efficient green OLEDs

S. Wu, Y. Hu, D. Sun, K. Wang, X. Zhang and E. Zysman-Colman, Chem. Commun., 2024, 60, 2489 DOI: 10.1039/D3CC05761E

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