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首页> 外文期刊>Optical Materials >Faster response and lesser threshold voltage of strontium hardystonite (Sr-HT) nematic liquid crystal: Photoluminescence and optical study
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Faster response and lesser threshold voltage of strontium hardystonite (Sr-HT) nematic liquid crystal: Photoluminescence and optical study

机译：锶硬沸石（Sr-HT）向列液晶的更快响应和更低阈值电压：光致发光和光学研究

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摘要

Herein, we have discussed change in dielectric and optical properties due to dispersion of Strontium hardystonite (Sr-HT) in the pure nematic liquid crystal (LC). The two different (0.5% wt./wt. and 1.0% wt./wt.) concentration of Sr-HT are dispersed in the pure nematic LC. After the dispersion of Sr-HT we have observed faster response and lower threshold voltage in comparison to pure nematic LC. The higher value of dielectric anisotropy calculated from the dielectric measurement and it has been suggested that lower voltage is required for switching of nematic molecules. The faster response and low threshold voltage will be very beneficial for application point of view used in making flat panel displays and lower power consumption devices. The UV absorbance and optical transmittance is reduced for Sr-HT dispersed nematogen. Photoluminescence (PL) spectra suggested the shifting in emission peak for Sr-HT dispersed nematogen due to different molecular interaction taking place between nematic LC and Sr-HT molecules. In addition to this Fourier Transform Infrared Spectroscopy (FTIR) for pure and Sr-HT dispersed nematogen has also been done.
机译：在本文中，我们讨论了由于锶硬硅钙石（Sr-HT）在纯向列液晶（LC）中的分散而引起的介电和光学性能的变化。 Sr-HT的两种不同浓度（0.5％wt./wt。和1.0％wt./wt。）分散在纯向列型LC中。与纯向列型LC相比，分散Sr-HT后，我们观察到了更快的响应和更低的阈值电压。由介电测量值计算出的较高的介电各向异性值，并建议向列分子的切换需要较低的电压。较快的响应速度和较低的阈值电压对于制造平板显示器和低功耗设备所用的应用程序观点将非常有益。 Sr-HT分散的线虫原的紫外线吸收率和透光率降低。光致发光（PL）光谱表明，由于向列LC和Sr-HT分子之间发生了不同的分子相互作用，Sr-HT分散的线虫原的发射峰发生了移动。除了这种傅立叶变换红外光谱（FTIR），还已经完成了纯的和Sr-HT分散的线虫原的制备。

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