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Singyeong Jung

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Articles

High-efficiency and stable deep-blue iridium phosphorescent OLEDs with enhanced charge transfer dynamics

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By Siqi Li, Kai-Ning Tong, Meng Zhang, Chengcheng Wu, Junki Ochi, Di Wu, Kefei Shi, Xin Wang, Feiyu Kang, Chihaya Adachi, Takuji Hatakeyama, Guodan Wei, Singyeong Jung
| Nature Verified
Abstract Deep-blue phosphorescent OLEDs (Ph-OLEDs) with high efficiency and stability are essential for advanced display technologies, ensuring sharp image quality and enhanced visibility. In this work, we report a novel class of asymmetric [3 + 2 + 1] coordinated iridium(III) complexes incorporate strongly electron-withdrawing trifluoromethyl (–CF3) and fluorine (–F) modified N-heterocyclic carbene ligands. This strategic molecular design enables efficient deep-blue emission.
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