Fluorescent self-assembly systems based on α-cyanostyrene derivatives: Conjugated structure-regulated self-assembly and sensing applications

IF 3.9 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2026-06-01 Epub Date: 2026-01-20 DOI:10.1016/j.dyepig.2026.113591

Si-Han Zhao, Jiajia Wang, Danyi Wang, Tianyun Li, Xinhua Cao

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Abstract

Two low molecular weight gelators based on α-cyanostyrene derivatives (DPAE and DNAE) were designed and synthesized via Knoevenagel condensation reaction. Both DPAE and DNAE could be self-assembled into gels with diverse colors in different solvents, and fibrous band and smooth film structures were formed. Interestingly, the gelation ability, self-assembly structures, surface wettability, fluorescence emission behaviors and functions of them could be regulated by their sizes of conjugate structure. DNAE could selectively detect hypochlorite with the limit of detection of 0.19 μM. The detection of hypochlorite can be operated over a wide pH range of 3.5–10.8. Fatty alcohol could be sensitively sensed by DNAE in hexane and petroleum ether. This work will provide new idea of design and construction multi-functional supramolecular self-assembly materials.

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基于α-氰苯乙烯衍生物的荧光自组装系统：共轭结构调节自组装和传感应用

通过Knoevenagel缩合反应，设计并合成了两种基于α-氰苯乙烯衍生物（DPAE和DNAE）的低分子量凝胶。DPAE和DNAE均可在不同溶剂中自组装成不同颜色的凝胶，并形成纤维带和光滑的膜结构。有趣的是，它们的凝胶能力、自组装结构、表面润湿性、荧光发射行为和功能都可以通过共轭结构的大小来调节。DNAE可选择性检测次氯酸盐，检出限为0.19 μM。次氯酸盐的检测可以在3.5-10.8的宽pH范围内进行。DNAE对正己烷和石油醚中的脂肪醇具有灵敏的感知能力。本研究将为设计和构建多功能超分子自组装材料提供新的思路。

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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.