ORGANIC LEDS

Molecular designs offer fast exciton conversion

Two independent studies report new organic compounds that offer record rates of reverse intersystem crossing between triplet and singlet excited states. The result is sky-blue organic light-emitting diodes with improved efficiency, stability and reduced efficiency roll-off.

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Fig. 1: Schematics of the chemical structure and energy states of the emitters.

S. Diesing and D. Chen

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Correspondence to Eli Zysman-Colman.

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Zysman-Colman, E. Molecular designs offer fast exciton conversion. Nat. Photonics 14, 593–594 (2020). https://doi.org/10.1038/s41566-020-0696-8

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