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Intramolecular Hydrogen Bonding Rigidifying Flexible Bridge for Solution- and Vacuum-Processed TSCT-TADF Emitters.
Cheng, Zhang-Li; Zhang, Ming; Yuan, Yi; Wang, Hui; Li, Jie; Zhang, Jing; Li, Jia-Chen; Zhou, Jie-Yu; Wang, Jia-Shen; Liang, Hong-Ze; Ye, Jun; Wang, Kai; Zhang, Xiao-Hong.
Affiliation
  • Cheng ZL; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Zhang M; Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China.
  • Yuan Y; School of Chemistry and Chemical Engineering, University of South China, Hengyang, Hunan 421001, P. R. China.
  • Wang H; Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China.
  • Li J; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Zhang J; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Li JC; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Zhou JY; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Wang JS; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Liang HZ; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Ye J; School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, P. R. China.
  • Wang K; Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China.
  • Zhang XH; Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China.
Org Lett ; 26(22): 4716-4720, 2024 Jun 07.
Article in En | MEDLINE | ID: mdl-38802298
ABSTRACT
To realize strong donor-acceptor face-to-face stacking for efficient through-space charge transfer-type thermally activated delayed fluorescence, a conceptually new design strategy is proposed to couple flexible bridges with adequate rigidity via built-in intramolecular hydrogen bonds (IHBs). The resulting emitter ACE-CN has a planarized benzyl methyl ether bridge self-anchored by the C-H···O IHB and shows a high photoluminescence quantum efficiency of 93%. The solution- and vacuum-processed devices exhibited high external quantum efficiencies of 11.8% and 24.7%, respectively.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Org Lett Journal subject: BIOQUIMICA Year: 2024 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Org Lett Journal subject: BIOQUIMICA Year: 2024 Document type: Article