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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Characteristics of nanoparticle-doped homeotropic liquid crystal devices
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Characteristics of nanoparticle-doped homeotropic liquid crystal devices

机译：纳米粒子各向同性液晶器件的特性

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摘要

We have found that nanoparticles of polyhedral oligomeric silsesquioxane (POSS) can induce vertical alignment in nematic liquid crystal (LC) cells as long as the doped weight percentage of POSS in the LC cells is higher than similar to 1%. Such nanoparticle-induced vertical alignment (NIVA) is a very suitable technique for application in the low-temperature fabrication of plastic LC displays. The dynamic process of LC orientation from randomly parallel alignment to vertical alignment was recorded, and it is posited that the POSS NIVA is due to the adsorption of POSS on the inner surfaces of the LC cells. The influence of the POSS concentration on the electro-optical properties and dielectric constant of LC cells was also investigated and the results indicate that LC cells doped with similar to 1 wt% POSS provide the best electro-optical performance.
机译：我们已经发现，多面体低聚倍半硅氧烷（POSS）的纳米粒子可以诱导向列液晶（LC）单元中的垂直排列，只要在LC单元中POSS的掺杂重量百分比高于相似的1％。这种纳米粒子诱导的垂直取向（NIVA）是非常适合用于低温制造塑料LC显示器的技术。记录了LC取向从随机平行排列到垂直排列的动态过程，并认为POSS NIVA是由于POSS在LC细胞内表面上的吸附所致。还研究了POSS浓度对LC电池的电光性能和介电常数的影响，结果表明，掺杂了约1 wt％POSS的LC电池提供了最佳的电光性能。

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