Issue 22, 2022

Advances in circularly polarized electroluminescence based on chiral TADF-active materials

Abstract

Due to the promising application prospects of circularly polarized organic light-emitting diodes (CP-OLEDs) for future display and optoelectronic technology, especially in display screens, a variety of chiral luminescent materials, including chiral fluorescent polymers, chiral metal complexes, and chiral small organic molecules, have recently been developed for use as emitters for CP-OLEDs. Among reported chiral emitters, emerging chiral TADF-active materials are regarded as the most promising candidates for circularly polarized electroluminescence (CPEL) emitters because of their advantages of being metal free, easy derivatization and high device efficiency. In this review, we systematically summarize the development status and design strategies of chiral TADF-active materials with CPEL, covering chiral perturbed TADF molecules, intrinsically chiral TADF molecules, and TADF-sensitized fluorescent enantiomers. Additionally, the challenges and opportunities of promising TADF-based CPEL are also discussed.

Graphical abstract: Advances in circularly polarized electroluminescence based on chiral TADF-active materials

Article information

Article type
Review Article
Submitted
31 avq 2022
Accepted
21 sen 2022
First published
24 sen 2022

Org. Chem. Front., 2022,9, 6441-6452

Advances in circularly polarized electroluminescence based on chiral TADF-active materials

M. Li and C. Chen, Org. Chem. Front., 2022, 9, 6441 DOI: 10.1039/D2QO01383E

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