Isomerization design for improving the efficiency of red thermally activated delayed fluorescence emitters based on pyridopyrazinophenanthroline acceptor-Reference-Cited by-同舟云学术

Isomerization design for improving the efficiency of red thermally activated delayed fluorescence emitters based on pyridopyrazinophenanthroline acceptor

Published:2023 Issue:29 Volume:11 Page:9889-9898
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Yuan Guo¹,Wang Da-Hao¹,Xie Feng-Ming²,Zhang Bo¹,Hu Ying-Yuan¹^ORCID,Zhang Qiang¹,Li Hao-Ze³,Li Yan-Qing³,Tang Jian-Xin²^ORCID,Zhao Xin¹^ORCID

Affiliation:

1. School of chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, Jiangsu, 215009, China

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

3. School of Physics and Electronic Science, East China Normal University, Shanghai, 200062, China

Abstract

A novel rigid acceptor PPP was developed, and two red TADF isomers were designed and synthesized. The device based on otriTPA-PPP shows excellent performance with EQEmaxof 24.8% at 597 nm due to the introducing of intramolecular H-bonding.

Funder

National Natural Science Foundation of China

Science and Technology Innovation Plan Of Shanghai Science and Technology Commission

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2023/TC/D3TC01504A

Reference40 articles.

1. Highly Efficient Thermally Activated Delayed Fluorescence via J‐Aggregates with Strong Intermolecular Charge Transfer

2. Improving the Efficiency of Red Thermally Activated Delayed Fluorescence Organic Light‐Emitting Diode by Rational Isomer Engineering

3. Photophysics of 9,9‐Dimethylacridan‐Substituted Phenylstyrylpyrimidines Exhibiting Long‐Lived Intramolecular Charge‐Transfer Fluorescence and Aggregation‐Induced Emission Characteristics

4. Solution‐Processed Pure Red TADF Organic Light‐Emitting Diodes With High External Quantum Efficiency and Saturated Red Emission Color

5. Multiplying the efficiency of red thermally activated delayed fluorescence emitter by introducing intramolecular hydrogen bond

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