Multiresonant Thermally Activated Delayed Fluorescence Emitters Based on Heteroatom‐Doped Nanographenes: Recent Advances and Prospects for Organic Light‐Emitting Diodes,Advanced Functional Materials

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Multiresonant Thermally Activated Delayed Fluorescence Emitters Based on Heteroatom‐Doped Nanographenes: Recent Advances and Prospects for Organic Light‐Emitting Diodes
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2020-05-27 , DOI: 10.1002/adfm.201908677
Subeesh Madayanad Suresh ₁ , David Hall _{1,

2} , David Beljonne ₂ , Yoann Olivier _{2,

3} , Eli Zysman‐Colman ₁

Affiliation

Since the first report in 2015, multiresonant thermally activated delayed fluorescent (MR‐TADF) compounds, a subclass of TADF emitters based on a heteroatom‐doped nanographene material, have come to the fore as attractive hosts as well as emitters for organic light‐emitting diodes (OLEDs). MR‐TADF compounds typically show very narrow‐band emission, high photoluminescence quantum yields, and small ΔE _ST values, typically around 200 meV, coupled with high chemical and thermal stabilities. These materials properties have translated into some of the best reported deep‐blue TADF OLEDs. Here, a detailed review of MR‐TADF compounds and their derivatives reported so far is presented. This review comprehensively documents all MR‐TADF compounds, with a focus on the synthesis, optoelectronic behavior, and OLED performance. In addition, computational approaches are surveyed to accurately model the excited state properties of these compounds.

中文翻译：

基于杂原子掺杂的纳米石墨烯的多共振热激活延迟荧光发射体：有机发光二极管的最新进展和前景。

自2015年首次报告以来，基于异质掺杂纳米石墨烯材料的TADF发射器的子类多共振热激活延迟荧光（MR-TADF）化合物已脱颖而出，成为有吸引力的主体以及有机发光体的发射器二极管（OLED）。MR‐TADF化合物通常显示出窄带发射，高光致发光量子产率和较小的ΔE _ST值，通常约为200 meV，并具有很高的化学稳定性和热稳定性。这些材料的特性已转化为一些报道最深的TADF OLED。在此，将对迄今为止报道的MR-TADF化合物及其衍生物进行详细的综述。这篇综述全面记录了所有MR-TADF化合物，重点是合成，光电性能和OLED性能。另外，调查了计算方法以精确地模拟这些化合物的激发态性质。

更新日期：2020-05-27

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