“Co-Stabilization, Fine-Tuning” Strategy for Highly Stable Coloring of Stimuli-Responsive Materials and their Hydrochromic Applications,Advanced Optical Materials

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“Co-Stabilization, Fine-Tuning” Strategy for Highly Stable Coloring of Stimuli-Responsive Materials and their Hydrochromic Applications
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2023-09-19 , DOI: 10.1002/adom.202301447
Junli Gao ₁ , Songcheng Wang ₁ , Tianyou Qin ₂ , Guan Xi ₃ , Sean Xiao‐An Zhang ₁ , Lan Sheng ₁

Affiliation

It is of great significance, but extremely challenging, to endow stimulus-response materials with both excellent dynamic responsiveness and high coloring stability. Herein, a strategy of “co-stabilization, fine-tuning” is proposed to address this conundrum by manipulating multiple dynamically competing supramolecular interactions and conformational fine-tuning linked coloring. With this idea, a new supramolecular hydrochromic system is constructed and the as-prepared dye-based hydrochromic materials (DHMs) have a highly stable water-induced coloration in a wide pH range, abnormally high temperature, and high salt concentration. Meanwhile, it possesses the best comprehensive performance of hydrochromism (i.e., high optical contrast, multicolor, excellent repeatability). These new DHMs can not only meet the general needs, but also have some unique applications in helping humans adapt to “harsh environments”. The verified “co-stabilization, fine-tuning” strategy promises to bring unlimited ideas and implications for functional materials to cope with abnormal environments.

中文翻译：

刺激响应材料高稳定着色的“共稳定、微调”策略及其水变色应用

赋予刺激响应材料同时具有优异的动态响应性和高着色稳定性具有重要意义，但也极具挑战性。在此，提出了一种“共稳定、微调”的策略，通过操纵多个动态竞争的超分子相互作用和构象微调链接着色来解决这个难题。以此想法，构建了一种新的超分子水致变色体系，所制备的染料基水致变色材料（DHMs）在宽pH范围、异常高温和高盐浓度下具有高度稳定的水诱导着色。同时，它具有最好的水变色综合性能（即高光学对比度、多色性、优异的重复性）。这些新型DHM不仅可以满足一般需求，而且在帮助人类适应“恶劣环境”方面也有一些独特的应用。经过验证的“共稳、微调”策略有望为功能材料应对异常环境带来无限的思路和启示。

更新日期：2023-09-19

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