4.7 Article

Efficient delayed fluorescence via triplet-triplet annihilation for deep-blue electroluminescence

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 52, Pages 6869-6871

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc01851f

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Funding

  1. Ministry of Science and Technology of the Republic of China [NSC-102-2633-M-007-002]

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Four 2-(styryl)triphenylene derivatives (TSs) were synthesized for deep-blue dopant materials. By using a pyrene-containing compound, DMPPP, as the host, the TS-doped devices exhibited significant delayed fluorescence via triplet-triplet annihilation, providing the highest quantum efficiency of 10.2% and a current efficiency of 12.3 cd A(-1).

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