journal article·2018-03

Reversible Thermal‐Induced Fluorescence Color Change of Tetraphenylethylene‐Labeled Nylon‐6

Jiaru Xu, Wenxi Ji, Chao Li, Yufeng Lv, Zijie Qiu, Longcheng Gao, Erqiang Chen, Jacky W. Y. Lam, Benzhong Tang, Lei Jiang

Advanced Optical Materials· Volume 6· Issue 6
Publisher page

Abstract

Abstract Nylon is the first synthetic fiber material and is widely used throughout the world. However, traditional nylons show limited optical applications as they emit no or weak fluorescence. Herein, a fluorescent nylon‐6 is synthesized by utilizing tetraphenylethylene (TPE) carrying two amino groups as coinitiator. The resulting TPE‐labeled nylon‐6 exhibits reversible thermal‐induced fluorescence color change. This unique property arises from the synergistic effect of its chemical structure and conformation. The thermal expansion of the polymer at high temperature induces the phenyl rings of TPE to rotate in a greater extent, which decreases the conjugation of TPE to lead to a blueshift in its fluorescence. The novel fluorescence property of TPE‐labeled nylon‐6 enables it to find applications in fields like chemosensor and security label.
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Research context

OpenAlex topics: Luminescence and Fluorescent Materials · Polydiacetylene-based materials and applications · Synthesis and Properties of Aromatic Compounds

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Bio‐Inspired Smart Interfacial Science and Technology of Ministry of Education Beijing Key Laboratory of Bio‐inspired Energy Materials and Devices School of Chemistry Beihang University Beijing 100191 P. R. China

Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry Peking University Beijing 100871 P. R. China

Beijing Research Institute of Chemical Industry China Petroleum & Chemical Corporation Beijing 100013 P. R. China

Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Institute of Molecular Functional Materials State Key Laboratory of Nanoscience Division of Biomedical Engineering and Division of Life Science The Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong 999077 P. R. China

Funding

National Key Research and Development Program of China · Fundamental Research Funds for the Central Universities

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