Fourier‐transform infrared study of the switching process in a ferroelectric liquid crystalline polymer

Fourier‐transform infrared study of the switching process in a ferroelectric liquid crystalline polymer
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铁电液晶聚合物开关过程的傅里叶变换红外研究

DOI:
10.1002/marc.1995.030160205
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发表时间:
1995
影响因子:
4.6
通讯作者:
Tanja Öge
Tanja Öge
中科院分区:
化学3区
文献类型:
--
作者:
S. Shilov;S. Okretic;H. Siesler;R. Zentel;Tanja Öge

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在我们的谱仪上实现了步进扫描技术,使我们能够跟踪电场诱导的铁电液晶聚合物[Si(Me)(R)O/Si(Me)(R ')O/Si(Me)2 O] n不同分子链段的重取向动力学(R=(CH 2)11 OPhCOOPhOCO * CHCl * CH(Me)(Et); R ′ =(CH 2)11 OPhN=NPhO * CH(Me)(Hex))。研究发现,不仅液晶基元,而且间隔基和至少部分主链都参与了取向过程
The implementation of the step-scan technique on our spectrometer enabled us to follow the electric field induced reorientation dynamics of different molecular segments of the ferroelectric liquid crystalline polymer [Si(Me)(R)O/Si(Me)(R')O/Si(Me) 2 O] n (R= (CH 2 ) 11 OPhCOOPhOCO * CHCl * CH(Me)(Et); R'= (CH 2 ) 11 OPhN=NPhO * CH(Me)(Hex)) on a sub-millisecond time scale. It was detected that not only the mesogen but also the spacer and at least part of the backbone take part in the reorientation process