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首页> 外文期刊>Advanced Functional Materials >High-Performance Thermoresponsive Dual-Output Dye System for Smart Textile Application
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High-Performance Thermoresponsive Dual-Output Dye System for Smart Textile Application

机译：适用于智能纺织品的高性能热敏双输出染料系统

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摘要

Smart textiles exhibiting optical response to external temperature stimuli are promising functional materials for a wide range of applications. It is critical yet challenging to endow these materials with high-contrast, vivid, and real-time optical signals, such as changes in color or fluorescent emission, for the indication of heating and/or cooling. A thermoresponsive dye system featuring simultaneous thermochromism and thermofluorescence is developed and applied to dyeing of polyester fabrics. The dye system is constructed by encapsulating a solution of indenoquinacridone (IQA) in aliphatic alcohol into SiO2 nanoparticles. The dual-output response relies on the mechanism of solvent-modulated dissociation/aggregation of the IQA molecules. Upon heating, the dye system and the dyed fabric exhibit clear color change and high-contrast, turned-on fluorescence, in a real time and highly reversible manner. The thermoresponsive temperature can be tailored by varying the aliphatic alcohol solvent with different melting point. The integration of high-contrast dual optical outputs into this programmable, robust, and reversible dye system lays the foundation for its employment in a wide range of challenging applications in smart textiles.
机译：对外部温度刺激表现出光学响应的​​智能纺织品是有前景的功能材料，可用于广泛的应用。使这些材料具有高对比度，生动，实时的光学信号（例如颜色或荧光发射的变化）以指示加热和/或冷却，这是至关重要的，但也很困难。开发了同时具有热致变色和热荧光特性的热敏染料体系，并将其应用于涤纶织物的染色。通过将茚并喹ac啶酮（IQA）在脂肪醇中的溶液封装到SiO2纳米颗粒中来构建染料系统。双输出响应取决于IQA分子的溶剂调节解离/聚集机制。加热后，染料系统和染色的织物可以实时，高度可逆地显示出清晰的颜色变化和高对比度，开启的荧光。可以通过改变具有不同熔点的脂族醇溶剂来调节热响应温度。将高对比度的双光输出集成到此可编程，耐用且可逆的染料系统中，为在智能纺织品中广泛使用具有挑战性的应用奠定了基础。

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