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Hydrogen Could Provide Path to High-Efficiency OLEDs

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A molecule that changes its chemical structure slightly before and after emission could provide a novel, stable approach to achieving high efficiency in OLEDs. The mechanism explored by the researchers involves the reversible transfer of a hydrogen atom — i.e., the transfer of its positive nucleus — from one atom in the emitting molecule to another in the same molecule, to create an environment conducive to thermally activated delayed fluorescence (TADF). Current molecular designs of TADF materials focus on combining donor and acceptor units. Researchers from Kyushu...Read full article

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