Realizing Stable Narrowband Emission Blue Fluorescent Organic Light-Emitting Diodes with Dual-Channel Triplet Exciton Harvesting Host
Jiaji Yang,
Xiaomei Peng,
Denghui Liu
et al.
Abstract:Exciton annihilation is one of the main factors affecting the operational lifetimes of organic light-emitting diodes (OLEDs). Constructing an appropriate host−emitter system is helpful in reducing the exciton annihilation process and has a positive influence on the stability of the device. Herein, a "hot exciton" fluorescent material PAC with dual-channel triplet exciton harvesting ability including reverse intersystem crossing from high-lying triplet states and triplet−triplet annihilation has been explored a… Show more
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