An extended π-backbone for highly efficient near-infrared thermally activated delayed fluorescence with enhanced horizontal molecular orientation

Author:

He Jian-Li1,Tang Yukun2ORCID,Zhang Kai3ORCID,Zhao Yue4ORCID,Lin Yu-Ching2,Hsu Chih-Kai2,Chen Chia-Hsun5ORCID,Chiu Tien-Lung6ORCID,Lee Jiun-Haw7ORCID,Wang Chuan-Kui3,Wu Chung-Chih2ORCID,Fan Jian18ORCID

Affiliation:

1. Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China

2. Department of Electrical Engineering, Graduate Institute of Electronics Engineering and Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei 10617, Taiwan

3. Shandong Province Key Laboratory of Medical Physics and Image Processing Technology, School of Physics and Electronics, Shandong Normal University, 250014 Jinan, China

4. Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Nanjing University, Nanjing 210023, China

5. Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan

6. Department of Electrical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan

7. Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan

8. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 35002, China

Abstract

A novel D–A1–A2–A3 configuration has been developed for achieving NIR-TADF with EQE of 21.9% at 712 nm.

Funder

National Natural Science Foundation of China

Priority Academic Program Development of Jiangsu Higher Education Institutions

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

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