Fernando B. Dias, Konstantinos N. Bourdakos, Vygintas Jankus, Kathryn C. Moss, Kiran T. Kamtekar, Vandana Bhalla, José Santos, Martin R. Bryce and Andrew P. Monkman Triplet Harvesting with 100% Efficiency by Way of Thermally Activated Delayed Fluorescence in Charge Transfer OLED Emitters Advanced Materials 25
Triplet harvesting with 100% efficiency is obtained via thermal assisted delayed fluorescence (TADF). The key role played by intramolecular charge transfer (ICT), lone pair electrons, and molecular structure in achieving this high efficiency in a series of ICT molecules is elucidated. Results show the complex photophysics of efficient TADF materials and give clear guidelines for designing new emitters.
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