Asymmetric strategy based on 5H-benzofuro[3,2-c]carbazole enables efficient narrowband multi-resonance thermally activated delayed fluorescence emitters,Journal of Materials Chemistry C

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Asymmetric strategy based on 5H-benzofuro[3,2-c]carbazole enables efficient narrowband multi-resonance thermally activated delayed fluorescence emitters
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2023-11-27 , DOI: 10.1039/d3tc02902f
Xiangan Song ₁ , Shaogang Shen ₂ , Shengnan Zou ₁ , Fengyun Guo ₁ , Shiyong Gao ₁ , Ying Wang ₂ , Yong Zhang ₁

Affiliation

Herein, 5H-benzofuro[3,2-c]carbazole (BFCz) was introduced into a multi-resonance skeleton to develop two asymmetric emitters, BFCz-B-Cz and BFCz-B-O, which exhibit narrowband green and blue emissions and enhanced reverse intersystem crossing rates. The corresponding pure green and blue OLEDs exhibit high external quantum efficiencies of 26.0% and 11.0%, respectively.

中文翻译：

基于5H-苯并呋喃[3,2-c]咔唑的不对称策略可实现高效的窄带多共振热激活延迟荧光发射器

在此，将 5 H-苯并呋喃并[3,2- c ]咔唑（BFCz）引入多共振骨架中，开发了两种不对称发射体BFCz-B-Cz和BFCz-BO，它们表现出窄带绿光和蓝光发射，并增强了反向系间穿越率。相应的纯绿色和蓝色 OLED 分别表现出 26.0% 和 11.0% 的高外量子效率。

更新日期：2023-11-27

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