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首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers >Light-Induced Macroscopic Chirality in Thin Films of Achiral Main-Chain Amorphous Polyazourea System
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Light-Induced Macroscopic Chirality in Thin Films of Achiral Main-Chain Amorphous Polyazourea System

机译：非手性主链非晶聚偶氮脲体系薄膜的光诱导宏观手性

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摘要

We have demonstrated circularly polarized light-induced chirality in polymer thin films containing azobenzene linkages in their main-chain backbone. The material used in this study was an amorphous main-chain polyazourea with a high glass transition temperature, which was used to form the fine surface relief gratings. The induction of chirality was confirmed by measuring circular dichroism spectra of achiral polyazourea thin films irradiated with right or left circularly polarized light and was discussed in view of the massive displacement of the material. The repeatability and thermostability of the induced chirality were evaluated and compared with those of the polymers with azobenzene moieties in their side chains.
机译：我们已经证明了在其主链骨架中包含偶氮苯键的聚合物薄膜中，圆偏振光诱导的手性。本研究中使用的材料是具有高玻璃化转变温度的无定形主链聚偶氮脲，用于形成精细的表面起伏光栅。通过测量用右旋或左旋圆偏振光照射的非手性聚偶氮脲薄膜的圆二色性光谱，证实了手性的诱导，并鉴于材料的大量位移进行了讨论。评价了诱导的手性的可重复性和热稳定性，并将其与在其侧链中具有偶氮苯部分的聚合物进行比较。

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