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Issue 26, 2020
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Facile fabrication of a CD/PVA composite polymer to access light-responsive shape-memory effects

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Abstract

Stimuli-responsive shape-memory materials are a category of fascinating smart materials, which undergo reversible shape transformation with environmental changes. Among a large number of stimuli-responsive shape-memory materials, light-driven materials have sparked tremendous attention because of their stability, remote operability and environmentally friendly. Herein, we report a novel strategy for the synthesis of a light-responsive shape-memory polymer that is made from carbon dots and polyvinyl alcohol. The as-prepared carbon dots are endowed with good visible light absorption and excellent photothermal conversion, which enable the carbon dot/polyvinyl alcohol composite polymer to serve as a light-responsive shape-memory polymer. The carbon dots not only work as photothermal agents but also offer additional hydrogen bond interaction, which accelerates the shape-memory recovery rate. The results show that the composite polymer can realize shape recovery using relatively low laser power. Most importantly, the as-prepared carbon dot/polyvinyl alcohol composite polymer not only possesses great research potential in different types of fields, such as medical and sensing, but also provides a effective and economic strategy for taking the advantage of light.

Graphical abstract: Facile fabrication of a CD/PVA composite polymer to access light-responsive shape-memory effects

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Supplementary files

Article information


Submitted
21 Feb 2020
Accepted
18 May 2020
First published
18 May 2020

J. Mater. Chem. C, 2020,8, 8935-8941
Article type
Paper

Facile fabrication of a CD/PVA composite polymer to access light-responsive shape-memory effects

S. Wu, W. Li, Y. Sun, X. Pang, X. Zhang, J. Zhuang, H. Zhang, C. Hu, B. Lei and Y. Liu, J. Mater. Chem. C, 2020, 8, 8935
DOI: 10.1039/D0TC00910E

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