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首页> 外文期刊>Optical Materials >Optical anisotropy conversion of retarder film made of rodlike and crosslike reactive molecules, and its dependence on the relative ratio and the orientation of the constituent molecules
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Optical anisotropy conversion of retarder film made of rodlike and crosslike reactive molecules, and its dependence on the relative ratio and the orientation of the constituent molecules

机译：由棒状和十字形反应性分子制成的延迟膜的光学各向异性转化及其对组成分子的相对比率和取向的依赖性

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摘要

We reported an optical anisotropy conversion of a retarder film composed of rodlike and crosslike reactive molecules. We investigated the dependence of the optical anisotropy of the composite film on the relative ratio and the orientation of the constituent molecules. We used the rodlike molecule as a host and the crosslike molecule as a guest. We prepared the retarder films which were composed of various concentration of the constituent molecules. The retarder film showed + c plate-like property when no guest was used. On the other hand, the optical anisotropy of the film was gradually changed to + b, z, and -b plate when the guest concentration was increased to 5, 10 and 20 wt%, respectively. From the Fourier Transform-Infrared (FT-IR) dichroism measurement of the retarder films, it was found that the host molecules were vertically aligned when no guest was doped. The host molecules were tilted by doping the guest and then the in-plane optical anisotropy was shown. Consequently, the sign of the ratio of the out-of-plane optical anisotropy to the in-plane optical anisotropy was converted from negative to positive with its magnitude reduced.
机译：我们报道了由棒状和十字形反应性分子组成的延迟膜的光学各向异性转化。我们研究了复合膜的光学各向异性对组成分子的相对比率和取向的依赖性。我们以棒状分子为宿主，以十字形分子为客体。我们制备了由各种浓度的组成分子组成的延迟膜。当不使用客体时，该延迟膜显示出+ c板状性质。另一方面，当客体浓度分别增加到5、10和20wt％时，膜的光学各向异性逐渐变为+ b，z和-b板。通过对延迟膜的傅立叶变换红外（FT-IR）二色性测量，发现当没有客体掺杂时主体分子垂直排列。通过掺杂客体使主体分子倾斜，然后显示面内光学各向异性。因此，面外光学各向异性与面内光学各向异性之比的符号从负转换为正，并且幅度减小。

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