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Tuning of polymer-wall surface components and its effect on the optoelectronic performance of liquid crystal devices with polymer walls
Molecular Crystals and Liquid Crystals ( IF 0.7 ) Pub Date : 2022-06-23 , DOI: 10.1080/15421406.2021.1980710
Xiang Xia 1, 2 , Yuge Liang 1, 2 , Xuelian Liu 1, 2 , Le Yang 1, 3 , Jun Zhu 1 , Miao Xu 1 , Guobing Zhang 1, 2 , Longzhen Qiu 1, 2 , Hongbo Lu 1, 2, 4
Affiliation  

Abstract

In this study, surface initiation was used to form dense and flat films in liquid crystal media. As a result, low-surface-energy components are thermodynamically forced to segregate on the liquid crystal-polymer interface already during the polymerization process. This finding is confirmed by ATR and XPS. In addition, more low-surface-energy components accumulate on the wall surface of the polymer upon decreasing the UV light intensity during polymerization. These components reduce both the anchoring energy of the polymer wall as well as the threshold voltage of any liquid crystal device that uses this polymer wall.



中文翻译:

聚合物壁表面成分的调谐及其对聚合物壁液晶器件光电性能的影响

摘要

在这项研究中,表面引发用于在液晶介质中形成致密而平坦的薄膜。结果,在聚合过程中,低表面能组分已经在热力学上被迫在液晶-聚合物界面上分离。ATR 和 XPS 证实了这一发现。此外,在聚合过程中,随着紫外光强度的降低,更多的低表面能成分会聚集在聚合物的壁面上。这些组件降低了聚合物壁的锚定能量以及使用该聚合物壁的任何液晶装置的阈值电压。

更新日期:2022-06-23
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