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首页> 外文期刊>ACS Macro Letters >Photodeformable Azobenzene-Containing Polyimide with Flexible Linkers and Molecular Alignment
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Photodeformable Azobenzene-Containing Polyimide with Flexible Linkers and Molecular Alignment

机译：含可光可变的偶氮苯的聚酰亚胺，具有柔性接头和分子取向

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摘要

Azobenzene-containing polyimides (azo-PIs) as photodeformable materials have attracted scientific attention in view of combining photoresponse and high performance (such as excellent mechanical and thermal properties). In the previously reported photodeformation of azo-PIs, polarized blue-green light was utilized to produce concerted motion of azobenzene moieties based on the mechanism of photoinduced reorientation. Herein, we explored a designed azo-PI undergoing photodeformation upon unpolarized light irradiation. The azo-PI film aligned by the hot-stretching process exhibited fast and reversible bending behavior under alternate ultraviolet (UV) and visible (vis) light irradiation, indicating the efficient nano-to-macroscopic propagation of molecular deformation of azobenzene. Besides, the aligned azo-PI film even bent in hot water (80 degrees C) and hot silicone oil (100 and 120 degrees C) with UV light irradiation.
机译：None

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  • 来源
    《ACS Macro Letters》 |2021年第4期|共7页
  • 作者

    Zhang Panpan; Lan Zhongxu; Wei Jia; Yu Yanlei;

  • 作者单位

    Fudan Univ Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Dept Mat Sci Shanghai 200433 Peoples R China;

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  • 正文语种 eng
  • 中图分类 有机化学;
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