Thermally activated delayed fluorescence exciplex emitters for high-performance organic light-emitting diodes,Materials Horizons

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Thermally activated delayed fluorescence exciplex emitters for high-performance organic light-emitting diodes
Materials Horizons ( IF 12.2 ) Pub Date : 2020-09-17 , DOI: 10.1039/d0mh01245a
Ming Zhang ₁ , Cai-Jun Zheng , Hui Lin , Si-Lu Tao

Affiliation

Owing to their natural thermally activated delayed fluorescence (TADF) characteristics, the development of exciplex emitters for organic light-emitting diodes (OLEDs) has witnessed booming progress in recent years. Formed between electron-donating and electron-accepting molecules, exciplexes with intermolecular charge transfer processes have unique advantages compared with unimolecular TADF materials, offering a new way to develop high-performance TADF emitters. In this review, a comprehensive overview of TADF exciplex emitters is presented with a focus on the relationship between the constituents of exciplexes and their electroluminescence performance. We summarize and discuss the latest and most significant developments of TADF exciplex emitters. Notably, the design principles of efficient TADF exciplex emitters are systematically categorized into three systems within this review. These progressive achievements of TADF exciplex emitters point out future challenges to trigger more research endeavors in this growing field.

中文翻译：

用于高性能有机发光二极管的热激活延迟荧光激基复合物发射器

由于其天然的热激活延迟荧光 (TADF) 特性，有机发光二极管 (OLED) 的激基复合发射体的开发近年来取得了蓬勃发展。形成于给电子分子和受电子分子之间的具有分子间电荷转移过程的激基复合物与单分子 TADF 材料相比具有独特的优势，为开发高性能 TADF 发射体提供了新途径。在这篇综述中，对 TADF 激基复合物发射器进行了全面概述，重点是激基复合物的成分与其电致发光性能之间的关系。我们总结并讨论了 TADF 激复合发射器的最新和最重要的发展。尤其，在这篇评论中，高效 TADF 激波复合发射器的设计原则被系统地分为三个系统。TADF 激基复合物发射器的这些进步成就指出了未来的挑战，以在这个不断发展的领域引发更多的研究工作。

更新日期：2020-09-17

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