Modular design for constructing narrowband deep-blue multiresonant thermally activated delayed fluorescent emitters for efficient organic light emitting diodes

Kenkera Rayappa Naveen,Hyuna Lee,Lee Hyun Seung,Young Hun Jung,C.P. Keshavananda Prabhu,Subramanian Muruganantham,Jang Hyuk Kwon

Chemical Engineering Journal（2023）

引用 27|浏览3

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摘要

•Deep Blue MR-TADF emitters were designed by incorporating rigid DOBNA into MR skeletons.•Both emitters possess narrowband deep blue emission with FWHM of 19 nm.•Small ΔEST (0.05 eV) and high PLQY are realized in the emitters.•MR-TADF OLEDs demonstrate high EQEs (>30 %) with CIE y coordinate below ≤ 0.07.

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关键词

Deep blue,OLEDs,Multiple resonance effect,Thermally activated delayed fluorescence,Narrowband emission

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