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侧链带有不同偶氮苯基团的聚芳醚的光致变形行为。

Photoinduced deformation behavior of poly(aryl ether)s with different azobenzene groups in the side chain.

作者信息

Yi Jie, Yang Yajing, Song Xi-Ming, Zhang Yuxuan

机构信息

College of Chemistry, Liaoning University Shenyang 110036 China

School of Pharmaceutical Engineering, Shenyang Pharmaceutical University Shenyang 110016 China.

出版信息

RSC Adv. 2024 Feb 12;14(8):5417-5424. doi: 10.1039/d3ra08664j. eCollection 2024 Feb 7.

DOI:10.1039/d3ra08664j
PMID:38348295
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10860162/
Abstract

Azobenzene-containing poly(aryl ether)s are a potential type of photoinduced deformable high-performance polymer. However, research on photoinduced deformation of azobenzene-containing poly(aryl ether)s focuses mainly on poly(aryl ether)s containing azobenzene groups in the main chain. In this paper, the photoinduced deformation of poly(aryl ether)s containing azobenzene groups in the side chain was studied for the first time. Two novel poly(aryl ether)s containing azobenzene groups in the side chain were synthesized, and their photoinduced isomerization behavior and photoinduced deformation behavior were studied. It could be seen that the match of the excitation luminescence to the maximum absorption peak of the azobenzene groups was more compatible, and the photoinduced motion of the polymers was faster. In addition, poly(aryl ether)s containing azobenzene groups in the side chain showed highly stable photoinduced deformation. The results of this work will be helpful for designing polymers which could be controlled by lasers of different wavelengths.

摘要

含偶氮苯的聚芳醚是一类具有光致变形性能的潜在高性能聚合物。然而，目前关于含偶氮苯聚芳醚光致变形的研究主要集中在主链含偶氮苯基团的聚芳醚上。本文首次研究了侧链含偶氮苯基团的聚芳醚的光致变形行为。合成了两种新型的侧链含偶氮苯基团的聚芳醚，并对其光致异构化行为和光致变形行为进行了研究。结果表明，激发发光与偶氮苯基团最大吸收峰的匹配性更好，聚合物的光致运动速度更快。此外，侧链含偶氮苯基团的聚芳醚表现出高度稳定的光致变形。该工作结果将有助于设计可由不同波长激光控制的聚合物。

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