Research progress of near infrared organic small-molecule electroluminescent materials

Peng CHANG; Chun-miao HAN; Hui XU

doi:10.37188/CJLCD.2020-0207

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Research progress of near infrared organic small-molecule electroluminescent materials

Organic Light-Emitting Materials and Devices | 更新时间：2021-02-01

- Research progress of near infrared organic small-molecule electroluminescent materials
- Chinese Journal of Liquid Crystals and Displays Vol. 36, Issue 1, Pages: 62-77(2021)
- 作者机构：
  
  黑龙江大学功能无机材料化学教育部重点实验室化学化工与材料学院, 黑龙江哈尔滨 150080
- 作者简介：
- 基金信息：
  
  Supported by Changjiang Scholar Program of Chinese Ministry of Education;National Natural Science Foundation of China;National Natural Science Foundation of China;National Natural Science Foundation of China
- DOI：10.37188/CJLCD.2020-0207
  CLC： TP394.1;TN383.1
- Received：19 August 2020，
  
  Accepted：28 September 2020，
  
  Published：2021-01
- 稿件说明：
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Peng CHANG, Chun-miao HAN, Hui XU. Research progress of near infrared organic small-molecule electroluminescent materials[J]. Chinese journal of liquid crystals and displays, 2021, 36(1): 62-77.
DOI：

Peng CHANG, Chun-miao HAN, Hui XU. Research progress of near infrared organic small-molecule electroluminescent materials[J]. Chinese journal of liquid crystals and displays, 2021, 36(1): 62-77. DOI： 10.37188/CJLCD.2020-0207.

摘要

近红外有机发光材料与器件在信息安全、光纤通信、生物成像、医学诊断等重要领域具有广阔的应用前景。近几年，基于热激发延迟荧光、局域电荷转移杂化态、发光自由基的双重态激子发光等机理，电致发光过程中激子的利用率已达到100%，大幅提高了近红外有机电致发光器件的性能。本文综述了近红外有机小分子电致发光材料的研究进展。根据不同的发光机理对材料进行了分类，对各类发光机理及材料与器件的性能进行了总结，并对未来的发展前景进行了展望。

Abstract

Near-infrared (NIR) emitting materials and devices have broad application prospects in fields of information security

optical fiber communication

bioimaging and medical diagnosis. In recent years

new mechanisms based on thermally activated delayed fluorescence (TADF)

hybridized local and charge-transfer excited state (HLCT) and radical-based doublet emission

make the NIR devices full exciton utilization and high electroluminescent performance. In this paper

the progress of NIR organic small-molecule electroluminescent materials is reviewed. These materials are classified with different luminescent mechanism

and their electroluminescent performances and further development prospects are summarized.

关键词

Keywords

references

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