高效oled用热激活延迟荧光材料的设计进展

IF 12.8 1区化学 Q1 CHEMISTRY, PHYSICAL

Journal of Photochemistry and Photobiology C: Photochemistry Reviews Pub Date : 2025-05-22 DOI:10.1016/j.jphotochemrev.2025.100700

Ehsan Ullah Mughal , Nafeesa Naeem , Syeda Fariha Kainat , Abdulaziz M. Almohyawi , Jihan Qurban , Amina Sadiq , Ahmad Abd-El-Aziz , Ning Ma , Alaa S. Abd-El-Aziz , A. Timoumi , Ziad Moussa , Sameer S.A. Natto , Saleh A. Ahmed

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引用次数: 0

摘要

热激活延迟荧光（TADF）已成为有机发光二极管（oled）的关键创新，通过利用三重态激子发光，为高效电致发光器件提供了途径。与传统荧光不同，TADF材料利用独特的反向系统间交叉（RISC）机制，使三重态激子上转换为单重态，最终提高了发射效率，而不依赖于昂贵的重金属。强调了TADF发射器的最新进展，包括小分子，聚合物和混合系统，重点是将其集成到最先进的OLED架构中。本文全面概述了TADF分子在oled中的应用，涵盖了2019年至2025年该领域的发展。最后，展望了TADF研究的未来方向及其在下一代显示器、照明解决方案和节能设备方面的潜力。本综述旨在为TADF材料提供一个统一的视角，将分子见解与高性能oled的实际应用联系起来。

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Advances in the design of thermally activated delayed fluorescence materials for high-efficiency OLEDs

Thermally Activated Delayed Fluorescence (TADF) has emerged as a pivotal innovation in organic light-emitting diodes (OLEDs), offering a pathway to high-efficiency electroluminescent devices by harnessing triplet excitons for light emission. Unlike conventional fluorescence, TADF materials exploit a unique reverse intersystem crossing (RISC) mechanism, enabling the upconversion of triplet excitons to singlet states, which ultimately enhances the emission efficiency without relying on expensive heavy metals. Recent advancements in TADF emitters are highlighted, encompassing small molecules, polymers, and hybrid systems, with an emphasis on their integration into state-of-the-art OLED architectures. In this manuscript, a comprehensive overview of the applications of TADF molecules in OLEDs is presented, covering developments in this field from 2019 to 2025. Finally, future directions in TADF research and its potential for next-generation displays, lighting solutions, and energy-efficient devices are considered. This review aims to provide a consolidated perspective on TADF materials, bridging molecular insights with practical applications in high-performance OLEDs.

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来源期刊

Journal of Photochemistry and Photobiology C: Photochemistry Reviews 化学-物理化学

CiteScore

21.90

自引率

0.70%

发文量

审稿时长

47 days

期刊介绍： The Journal of Photochemistry and Photobiology C: Photochemistry Reviews, published by Elsevier, is the official journal of the Japanese Photochemistry Association. It serves as a platform for scientists across various fields of photochemistry to communicate and collaborate, aiming to foster new interdisciplinary research areas. The journal covers a wide scope, including fundamental molecular photochemistry, organic and inorganic photochemistry, photoelectrochemistry, photocatalysis, solar energy conversion, photobiology, and more. It provides a forum for discussing advancements and promoting collaboration in the field of photochemistry.