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

Author:

Gao Junli1,Wang Songcheng1,Qin Tianyou2,Xi Guan3,Zhang Sean Xiao‐An1,Sheng Lan1ORCID

Affiliation:

1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 P. R. China

2. Department of Biochemistry and Molecular Biology College of Basic Medicine Science Jilin University Changchun 130012 P. R. China

3. School of Biomedical and Phamaceutical Sciences Guangdong University of Technology Guangdong 510006 P. R. China

Abstract

AbstractIt 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.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Jilin Province

Fundamental Research Funds for the Central Universities

Jilin University

Publisher

Wiley

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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