Cu/Zn phthalocyanine dyes with up to 40% solubility in propylene glycol monomethyl ether acetate (PGMEA) for color filters

IF 4.1 3区工程技术 Q2 CHEMISTRY, APPLIED Dyes and Pigments Pub Date : 2024-05-24 DOI:10.1016/j.dyepig.2024.112244

Xuefeng Song , Runfeng Xu , Qichao Yao , Lu Tian , Jianwei Li , Bo Yang , Pengzhong Chen , Jianhua Zhang , Hanshen Xin , Xiaojun Peng

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Abstract

Color filters play an important role in the quality of complementary metal–oxide–semiconductors and thin-film-transistor liquid-crystal displays. Although pigment nanoparticles have traditionally been used as color filter colorants, the use of molecular dyes for preparing high-quality color filters is an emerging strategy. However, few studies have investigated the relation between the structure of dyes and their color filter characteristics, such as solubility, and thermal stability and photostability. In this study, six phthalocyanine dyes with different branched substituents and central metals (zinc and copper) were developed. These dyes displayed high levels of solubility in propylene glycol monomethyl ether acetate (up to 40.8 wt%), high light transmission, and satisfactory thermal stability and photostability, indicating their potential application in color filters. They may provide a way to explore more molecular dyes for color filters with excellent dissolution properties.

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铜/锌酞菁染料在丙二醇单甲醚醋酸酯 (PGMEA) 中的溶解度高达 40%，可用于彩色滤光片

彩色滤光片对互补金属氧化物半导体和薄膜晶体管液晶显示器的质量起着重要作用。虽然颜料纳米粒子传统上一直被用作彩色滤光片着色剂，但使用分子染料制备高质量彩色滤光片是一种新兴策略。然而，很少有研究调查了染料结构与其滤色特性（如溶解性、热稳定性和光稳定性）之间的关系。本研究开发了六种具有不同支化取代基和中心金属（锌和铜）的酞菁染料。这些染料在丙二醇单甲醚醋酸酯中的溶解度高（高达 40.8 wt%），透光率高，热稳定性和光稳定性令人满意，这表明它们具有在彩色滤光片中应用的潜力。它们可能为探索更多具有优异溶解特性的滤色片用分子染料提供了一条途径。

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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.