Multi-spiro junctions enable efficient thermally activated delayed fluorescent emitter.
Chemical communications (Cambridge, England)(2023)
摘要
A new acridine donor with trispiro junctions is developed for assembling a highly efficient thermally activated delayed fluorescence emitter. The multispiro junctions ensure a rigid geometry that leads to a well-suppressed nonradiative decay. The resulting electroluminescent devices achieve a high external quantum efficiency of 34.2%.
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关键词
fluorescent emitter,multi-spiro
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