芳基胺功能化苯并噻吩和苯并噻吩 S,S-二氧化物的光电特性研究。在溶液处理有机发光二极管中的应用

IF 4.1 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2024-09-24 DOI:10.1016/j.dyepig.2024.112468

Khaled Youssef , Akpeko Gasonoo , Charles Cougnon , Matthieu Loumaigne , Hayley Melville , Lionel Sanguinet , Gregory C. Welch , Frédéric Gohier

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引用次数: 0

摘要

通过铃木偶联设计了基于核心苯并噻吩（BT）和苯并噻吩 S,S-二氧化物（BTO）的共轭有机分子，并在 3,5,6 和 2,4,7 位置用三苯胺取代。研究人员研究了这些化合物的光电特性，并进行了理论计算，以了解各种化合物的结构吸光度光谱。所有化合物都在可见光区域内发出明亮的光，从 BT 的蓝色到 BTO 的黄橙色不等。有机发光二极管（OLED）器件是通过空气处理旋涂法制造的，其中除顶部阴极外，所有层都是溶液处理的。使用 2,4,7-三苯胺苯并噻吩 S,S-二氧化物制造的器件亮度超过 1000 cd/m2，并成功地将其转化为涂覆在塑料基板上的大面积模块槽模。

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Optoelectronic properties study of arylamine-functionalized benzothiophenes and benzothiophene S,S-Dioxides. Application in solution-processed organic light-emitting diodes

Conjugated organic molecules based on core benzothiophene (BT) and benzothiophene S,S-dioxide (BTO), substituted with triphenylamines at positions 3,5,6 and 2,4,7, were designed via Suzuki couplings. Optoelectronic properties were studied, and theoretical calculations were carried out to understand the structured absorbance spectra of the various compounds. All compounds exhibited bright emission within the visible region, ranging from blue for BT to yellow-orange for BTO. Organic light-emitting diode (OLED) devices were fabricated through an air-processed spin-coating method where all layers, except the top cathode, were solution-processed. Device luminance exceeded 1000 cd/m² using 2,4,7-triphenylaminebenzothiophene S,S-dioxide, which in turn was successfully translated to a large-area module slot-die coated on a plastic substrate.

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来源期刊

Dyes and Pigments 工程技术-材料科学：纺织

CiteScore

8.20

自引率

13.30%

发文量

933

审稿时长

33 days

期刊介绍： Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied. Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media. The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.