Issue 13, 2024

A donor–acceptor cage for circularly polarized TADF emission

Abstract

Herein, we report the first example of chiral donor–acceptor cage DA-2 displaying efficient circularly polarized thermally activated delayed fluorescence (CP-TADF) with |glum| values up to 2.1 × 10−3 and PLQY of 32%. A small ΔEST of 0.051 eV and quasi-parallel (θ = 6°) transition electric and magnetic dipole moments were realized from the through-space charge transfer interaction between the parallelly aligned donor and acceptor in DA-2. This D–A cage configuration has provided a novel design strategy for discovering potential efficient CP-TADF emitters.

Graphical abstract: A donor–acceptor cage for circularly polarized TADF emission

Supplementary files

Article information

Article type
Communication
Submitted
20 10 2023
Accepted
08 1 2024
First published
09 1 2024

Chem. Commun., 2024,60, 1758-1761

A donor–acceptor cage for circularly polarized TADF emission

L. Chen, C. Li, Z. Liu, Y. Kuboi, E. Fu, L. S. Vargas, C. Adachi, F. Mathevet and S. Zhang, Chem. Commun., 2024, 60, 1758 DOI: 10.1039/D3CC05136F

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