Colorimetric and fluorometric ammonia sensor based on protonated bipyridyl-containing polydiacetylene

IF 4.2 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2023-07-01 DOI:10.1016/j.dyepig.2023.111254

Seungjoo Baek , Mohammed Iqbal Khazi , Jong-Man Kim

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引用次数: 2

Abstract

Chemical sensors based on stimulus-responsive chromogenic materials have found great importance due to their strong capability of manipulating optical properties and vivid color display. In this work, chromogenic polydiacetylene (PDA) is generated by the polymerization of protonated supramolecular assemblies of bipyridyl-containing diacetylene precursor (bpy-PCDA-H⁺). A blue-colored polymeric PDA of bpy-PCDA-H⁺ was obtained by UV irradiation of monomeric assembles. Since supramolecular architecture is preorganized through protonation-induced interactions of molecular blocks, bpy-PCPDA-H⁺ generated intriguing assembly-related sensory response via deprotonation mechanism, producing distinctive blue to red chromatic transition and fluorescence turn-on response against ammonia. The self-assembly behavior, topochemical polymerization, and ammonia sensing properties of bpy-PCPDA-H⁺ were investigated using spectroscopic methods.

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基于质子化联吡啶聚二乙炔的比色和荧光氨传感器

基于刺激响应显色材料的化学传感器由于其强大的光学特性操纵能力和生动的色彩显示而受到重视。在这项工作中，显色聚二乙炔(PDA)是由含有联吡啶的二乙炔前体(bpy-PCDA-H+)的质子化超分子组装体聚合而成的。用紫外光照射单体组装体，得到了蓝色的双聚吡啶- pcda - h +聚合物PDA。由于超分子结构是通过质子诱导的分子块相互作用预先组织的，因此bpy-PCPDA-H+通过去质子化机制产生了有趣的与组装相关的感觉反应，产生了独特的蓝到红的颜色转变和对氨的荧光开启反应。利用光谱学方法研究了bpy-PCPDA-H+的自组装行为、拓扑化学聚合和氨传感性能。

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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.