A chiral bipolar host for efficient solution-processed circularly polarized OLEDs a chirality energy transfer process.

Chem Commun (Camb)

Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications, School of Materials Science & Engineering, Changzhou University, Changzhou 213164, China.

Published: March 2024

Chiral bipolar hosts of (/)-L-2mCPCN are synthesized, which show high singlet/triplet energy levels and clear circularly polarized luminescence. Employing racemic phosphorescent and TADF materials as emitting guest molecules, solution-processable CP-OLEDs based on such chiral hosts are obtained with an EQE of 10.7% and || values of 5.0 × 10.

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Source
http://dx.doi.org/10.1039/d3cc06148eDOI Listing

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