Recent Progress of Thermally Activated Delayed Fluorescent Materials Based on Pyrimidine and Its Derivative Acceptors

LU Meng-yao; SONG Xiang-an; ZOU Sheng-nan; ZHANG Yong

doi:10.37188/CJL.20220273

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Recent Progress of Thermally Activated Delayed Fluorescent Materials Based on Pyrimidine and Its Derivative Acceptors

Synthesis and Properties of Materials | 更新时间：2023-02-13

- Recent Progress of Thermally Activated Delayed Fluorescent Materials Based on Pyrimidine and Its Derivative Acceptors
  增强出版
- Chinese Journal of Luminescence Vol. 43, Issue 12, Pages: 1892-1904(2022)
- 作者机构：
  
  1.哈尔滨工业大学材料科学与工程学院，黑龙江哈尔滨　150006
  2.江汉大学光电化学材料与器件教育部重点实验室，湖北武汉　430056
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(22175049);Opening Project of Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Eduation, Jianghan University(JDGD⁃202213)
- DOI：10.37188/CJL.20220273
  CLC： O482.31
- Published：05 December 2022，
  
  Received：14 July 2022，
  
  Revised：03 August 2022，
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陆梦瑶,宋祥安,邹盛南等.基于嘧啶及其衍生物受体的热激活延迟荧光材料研究进展[J].发光学报,2022,43(12):1892-1904.

LU Meng-yao,SONG Xiang-an,ZOU Sheng-nan,et al.Recent Progress of Thermally Activated Delayed Fluorescent Materials Based on Pyrimidine and Its Derivative Acceptors[J].Chinese Journal of Luminescence,2022,43(12):1892-1904.
陆梦瑶,宋祥安,邹盛南等.基于嘧啶及其衍生物受体的热激活延迟荧光材料研究进展[J].发光学报,2022,43(12):1892-1904. DOI： 10.37188/CJL.20220273.

LU Meng-yao,SONG Xiang-an,ZOU Sheng-nan,et al.Recent Progress of Thermally Activated Delayed Fluorescent Materials Based on Pyrimidine and Its Derivative Acceptors[J].Chinese Journal of Luminescence,2022,43(12):1892-1904. DOI： 10.37188/CJL.20220273.

摘要

嘧啶可作为构建D⁃A型热激活延迟荧光（TADF）材料的常用受体，其强吸电子特性和灵活的取代效应有利于形成多样的分子结构，为实现高效的有机电致发光提供了可能。近年来，基于嘧啶受体的分子结构设计取得了重要进展，研究方向从以D⁃A⁃D型为主的对称分子逐渐向不对称分子过渡。喹唑啉是TADF材料的一类新型受体，具有苯并嘧啶的稠环结构，延展的共轭平面使其表现出良好潜力，通过合理的分子修饰，能够有效改善器件的发光性能。本文以嘧啶受体核为基础，围绕分子结构、光物理特性和OLED器件性能等问题，简要总结了基于嘧啶及其衍生物喹唑啉受体的热激活延迟荧光材料研究进展，并对喹唑啉基TADF分子广阔的发展前景进行了展望。

Abstract

Pyrimidine can be used as a common acceptor for the construction of D-A type thermally activated delayed fluorescent（TADF） materials. Its strong electron absorption characteristics and flexible substitution effect are advantageous to the formation of diversified molecular structures， which lends probability to realize efficient organic electroluminescence. In recent years， important progress has been made in the molecular structure design based on pyrimidine acceptor. The research direction has transformed from symmetrical molecules dominated by D-A-D type to asymmetric molecules gradually. Quinazoline is a new acceptor of TADF materials with fused bicyclic structure of benzene and pyrimidine rings， which shows good potential as a result of extended conjugate plane. Through the reasonable molecular modification， it can improve the luminescence performance of the device effectively. In this review， we summarize the research progress of thermally activated delayed fluorescent materials based on pyrimidine and its derivative quinazoline acceptors briefly with molecular structure， photophysical properties and device performances， and look forward to the broad development prospect of TADF materials based on quinazoline.

关键词

热激活延迟荧光嘧啶受体喹唑啉有机发光二极管

Keywords

thermally activated delayed fluorescencepyrimidine-based acceptorquinazolineorganic light-emitting diodes

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