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Polypyridyl ligands as a versatile platform for solid-state light-emitting devices
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2019-08-16 , DOI: 10.1039/c8cs00075a Babak Pashaei 1, 2, 3, 4, 5 , Soheila Karimi 1, 2, 3, 4, 5 , Hashem Shahroosvand 1, 2, 3, 4, 5 , Parisa Abbasi 2, 6, 7, 8 , Melanie Pilkington 2, 6, 7, 8 , Antonino Bartolotta 9, 10, 11, 12 , Elisa Fresta 13, 14, 15, 16, 17 , Julio Fernandez-Cestau 13, 14, 15 , Rubén D. Costa 13, 14, 15 , Francesco Bonaccorso 12, 18, 19, 20, 21
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2019-08-16 , DOI: 10.1039/c8cs00075a Babak Pashaei 1, 2, 3, 4, 5 , Soheila Karimi 1, 2, 3, 4, 5 , Hashem Shahroosvand 1, 2, 3, 4, 5 , Parisa Abbasi 2, 6, 7, 8 , Melanie Pilkington 2, 6, 7, 8 , Antonino Bartolotta 9, 10, 11, 12 , Elisa Fresta 13, 14, 15, 16, 17 , Julio Fernandez-Cestau 13, 14, 15 , Rubén D. Costa 13, 14, 15 , Francesco Bonaccorso 12, 18, 19, 20, 21
Affiliation
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The replacement of inorganic semiconductors with molecule-based compounds for applications in current-to-light conversion has led to a significant increase in interdisciplinary collaborations worldwide, affording new improved organic-light emitting diodes (OLEDs) ripe for commercial applications, as well as light-emitting electrochemical cells (LECs) that have recently started to head to the market. This review highlights the role that transition metal coordination complexes (TMCs) have played in advancing the field of molecular electronics, from early conception to the advanced development of several polypyridyl complexes currently pursued for both OLED and LEC concepts. In this context, the design and synthesis of Ir(III), Pt(II), Cu(I) and Ag(I) complexes as the emissive components of OLEDs and LECs are thoughtfully presented. We discuss how molecular design is pivotal for fine-tuning color and optimizing power efficiencies, highlighting the key roles of the metal, cyclometalate, and ancillary polypyridyl ligands. We provide insight into the strategies exploited for the development of new, improved emitters and their fabrication into OLEDs/LECs with high external quantum efficiencies and stabilities. In addition, we have surveyed the remarkable photophysical properties of third generation TMCs capable of undergoing thermally activated delayed fluorescence (TADF). Since previous reviews of TADF materials are strongly biased towards organic-based systems, this overview compliments other synopses of light emitting TADF materials. Finally, we shed light onto the conceptual challenges that still need to be overcome to advance the rational design of TMC-based TADF emitters with tunable ligands and the subsequent fabrication of OLEDs/LECs, which are tailor-made for each specific application.
中文翻译：
聚吡啶配体作为固态发光器件的通用平台
用分子基化合物替代无机半导体以用于电流到光的转换，已导致全球跨学科合作的显着增加，为商业应用以及发光提供了成熟的新型改良有机发光二极管（OLED）。发光电化学电池（LEC）最近开始进入市场。这篇综述着重介绍了过渡金属配位化合物（TMC）在推动分子电子学领域中所起的作用，从早期概念到目前对OLED和LEC概念都追求的几种聚吡啶基配合物的发展。在此背景下，Ir（III），Pt（II），Cu（I）和Ag（III）的设计与合成一世）作为OLED和LEC的发光成分的复合物被深思熟虑地呈现出来。我们讨论了分子设计如何在微调颜色和优化功率效率方面发挥关键作用，重点介绍了金属，环金属酸盐和辅助的聚吡啶基配体的关键作用。我们提供有关开发新的，改进的发射极及其将其制造为具有高外部量子效率和稳定性的OLED / LEC的策略的真知灼见。此外，我们已经调查了能够进行热激活延迟荧光（TADF）的第三代TMC的显着光物理特性。由于先前对TADF材料的评论强烈偏向有机基系统，因此本概述补充了发光TADF材料的其他概要。最后，
更新日期：2019-10-01
中文翻译：
聚吡啶配体作为固态发光器件的通用平台
用分子基化合物替代无机半导体以用于电流到光的转换，已导致全球跨学科合作的显着增加，为商业应用以及发光提供了成熟的新型改良有机发光二极管（OLED）。发光电化学电池（LEC）最近开始进入市场。这篇综述着重介绍了过渡金属配位化合物（TMC）在推动分子电子学领域中所起的作用，从早期概念到目前对OLED和LEC概念都追求的几种聚吡啶基配合物的发展。在此背景下，Ir（III），Pt（II），Cu（I）和Ag（III）的设计与合成一世）作为OLED和LEC的发光成分的复合物被深思熟虑地呈现出来。我们讨论了分子设计如何在微调颜色和优化功率效率方面发挥关键作用，重点介绍了金属，环金属酸盐和辅助的聚吡啶基配体的关键作用。我们提供有关开发新的，改进的发射极及其将其制造为具有高外部量子效率和稳定性的OLED / LEC的策略的真知灼见。此外，我们已经调查了能够进行热激活延迟荧光（TADF）的第三代TMC的显着光物理特性。由于先前对TADF材料的评论强烈偏向有机基系统，因此本概述补充了发光TADF材料的其他概要。最后，
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