Photoluminescence of Platinum(II) Complexes with Diazine-Based Ligands

IF 7 2区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Chemical record Pub Date : 2024-06-07 DOI:10.1002/tcr.202300335

Mariia Hruzd, Raphaël Durand, Sébastien Gauthier, Pascal le Poul, Françoise Robin-le Guen, Sylvain Achelle

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Abstract

In the last past twenty years, research on luminescent platinum (II) complexes has been intensively developed for useful application such as organic light emitting diodes (OLEDs). More recently, new photoluminescent complexes based on diazine ligands (pyrimidine, pyrazine, pyridazine, quinazoline and quinoxaline) have been developed in this context. This review will summarize the photophysical properties of most of the phosphorescent diazine Pt(II) complexes described in the literature and compare the results to pyridine analogues whenever possible. Based on the emission color, and the photoluminescence quantum yield (PLQY) values, the relationship between structure modification, and photophysical properties are highlighted. Tuning of emission color, quantum yields in solution and solid state and, for some complexes, aggregation induced emission (AIE) or thermally activated delayed fluorescence (TADF) properties are described. When emitting OLEDs have been built from diazine Pt(II) complexes, the external quantum efficiency (EQE) values and luminance for different emission wavelengths and in some cases, chromaticity coordinates obtained from devices, are given. Finally, this review highlights the growing interest in studies of new luminescent diazine Pt(II) complexes for OLED applications.

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含重氮配体的铂（II）配合物的光致发光。

在过去的二十年里，有关发光铂（II）配合物的研究得到了深入的发展，这些配合物被广泛应用于有机发光二极管（OLED）等领域。最近，基于重氮配体（嘧啶、吡嗪、哒嗪、喹唑啉和喹喔啉）的新型光致发光配合物也得到了开发。本综述将总结文献中描述的大多数磷光重氮铂（II）配合物的光物理特性，并尽可能将结果与吡啶类似物进行比较。根据发射颜色和光致发光量子产率 (PLQY) 值，重点介绍了结构修饰与光物理性质之间的关系。介绍了发射颜色、溶液和固态量子产率的调节，以及某些复合物的聚集诱导发射（AIE）或热激活延迟荧光（TADF）特性。在利用重氮铂（II）复合物制造发光有机发光二极管时，还给出了不同发射波长的外部量子效率（EQE）值和亮度，在某些情况下还给出了从设备中获得的色度坐标。最后，本综述强调了人们对重氮铂(II)新发光配合物在 OLED 应用中的研究兴趣与日俱增。

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来源期刊

Chemical record 化学-化学综合

CiteScore

11.00

自引率

3.00%

发文量

188

审稿时长

>12 weeks

期刊介绍： The Chemical Record (TCR) is a "highlights" journal publishing timely and critical overviews of new developments at the cutting edge of chemistry of interest to a wide audience of chemists (2013 journal impact factor: 5.577). The scope of published reviews includes all areas related to physical chemistry, analytical chemistry, inorganic chemistry, organic chemistry, polymer chemistry, materials chemistry, bioorganic chemistry, biochemistry, biotechnology and medicinal chemistry as well as interdisciplinary fields. TCR provides carefully selected highlight papers by leading researchers that introduce the author''s own experimental and theoretical results in a framework designed to establish perspectives with earlier and contemporary work and provide a critical review of the present state of the subject. The articles are intended to present concise evaluations of current trends in chemistry research to help chemists gain useful insights into fields outside their specialization and provide experts with summaries of recent key developments.