Hybrid Local and Charge-Transfer Material with Ultralong Room Temperature Phosphorescence for Efficient Organic Afterglow Light-Emitting Diodes,Angewandte Chemie International Edition

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Hybrid Local and Charge-Transfer Material with Ultralong Room Temperature Phosphorescence for Efficient Organic Afterglow Light-Emitting Diodes
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2024-07-25 , DOI: 10.1002/anie.202411588
Dongyue Cui ₁ , Longyan Zhang ₁ , Jingyu Zhang ₁ , Wenjing Li ₁ , Jie Chen ₁ , Zhenli Guo ₁ , Chengxi Sun ₁ , Yike Wang ₁ , Wenjun Wang ₂ , Shuhong Li ₂ , Wei Huang _{1,

3} , Chao Zheng ₁ , Runfeng Chen ₁

Affiliation

The combination of hybrid local and charge-transfer (HLCT) and organic ultralong room temperature phosphorescence (OURTP) in a molecule leads to a long OURTP lifetime up to 251 ms and a high total quantum efficiency over 80 %. Impressively, the HLCT OURTP light-emitting diodes exhibit an unprecedented total external quantum efficiency (EQE_total) of ~12 %, OURTP efficiency (EQE_OURTP) of 3.11 % and electroluminescent lifetime up to 201 ms, respectively.

中文翻译：

具有超长室温磷光的混合局部和电荷转移材料，用于高效的有机余辉发光二极管

分子中混合局部和电荷转移（HLCT）与有机超长室温磷光（OURTP）相结合，可实现长达 251 ms 的 OURTP 寿命和超过 80% 的高总量子效率。令人印象深刻的是，HLCT OURTP 发光二极管分别表现出前所未有的 ~12 % 的总外部量子效率（EQE_总）、3.11% 的 OURTP 效率（EQE_OURTP）和高达 201 ms 的电致发光寿命。

更新日期：2024-07-25

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