光学激光镊子引导的共轭聚二乙烯单粒子溶色作用

Seung Soo Shin, Dong Yun Kim, Kwangmin Bae, Hyemin Kang, So Jung Ha, Aditya Patil, Jong-Man Kim, Bum Jun Park
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引用次数: 0

摘要

溶致变色在各种科学和技术领域都发挥着举足轻重的作用,包括那些探索分子相互作用、传感技术和有机电子学的领域。值得注意的是,尽管微尺寸固体颗粒易于操作、可直接观察并具有单颗粒传感的潜力,但对其进行溶解变色研究的却少得令人吃惊。本研究合成了聚二乙烯(PDA)颗粒,并使用基于光学激光镊子的方法在单颗粒水平上研究了它们的溶解变色作用。研究结果表明,在水/正癸烷界面处的 PDA 颗粒内未聚合的单体在正癸烷相中发生溶解,从而在颗粒中形成内部空隙。这种现象导致 PDA 结构变形,从而引发溶解变色反应。将这一现象与基于颗粒的成熟方法结合起来进行研究,可以更深入地了解溶解变色材料的各种变色行为和潜在应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Optical Laser Tweezer‐Directed Single Particle Solvatochromism of Conjugated Polydiacetylene
Solvatochromism plays a pivotal role in various scientific and technological fields including those that explore molecular interactions, sensing technologies, and organic electronics. Notably, despite their ease of manipulation, direct visualization, and potential for single particle‐based sensing, micro‐sized solid particles have been the focus of a surprisingly low number of solvatochromism investigations. In this study, polydiacetylene (PDA) particles are synthesized and their solvatochromism is investigated at the single particle level using optical laser tweezers‐based methods. The findings reveal that unpolymerized monomers within PDA particles at the water/n‐decane interface undergo dissolution in the n‐decane phase to form internal voids in the particles. This phenomenon leads to structural deformation of the PDA which triggers a solvatochromic response. Studies that integrate this phenomenon with established particle‐based methodologies should provide deeper insights into diverse chromism behaviors and potential applications of solvatochromic materials.
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