A donor-acceptor cage for circularly polarized TADF emission
CHEMICAL COMMUNICATIONS(2024)
摘要
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 x 10-3 and PLQY of 32%. A small Delta EST of 0.051 eV and quasi-parallel (theta = 6 degrees) 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. 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 x 10-3 and PLQY of 32%.
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