| 自组装法制备新型液晶垂直取向膜 |
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| 引用本文： | 赵东宇,孟庆勇,杨光达,曹晖,黄维,何万里,王国杰,杨洲,张晓光,杨槐. 自组装法制备新型液晶垂直取向膜[J]. 液晶与显示, 2010, 25(1) |
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| 作者姓名： | 赵东宇 孟庆勇 杨光达 曹晖 黄维 何万里 王国杰 杨洲 张晓光 杨槐 |
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| 作者单位： | 1. 北京科技大学材料科学与工程学院,北京,100083
2. 光电系统信息控制技术国家级重点实验室,河北三河,065201 |
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| 基金项目： | 国家自然科学基金，国家"863"高技术发展计划，国家"863"计划平板显示专项，国家科技支撑计划，光电系统信息控制国家级重点实验室基金 |
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| 摘 要： | 用硅烷偶联剂3-氨丙基-三乙氧基硅烷,通过自组装反应在石英基板表面制备了含有二苯乙炔基的自组装单层膜。用该自组装膜作为向列相液晶的取向层制成液晶器件,在偏光显微镜下观察,发现向列相液晶获得了均匀、稳定的垂直取向效果。热稳定性试验表明,用自组装方法制备的液晶垂直取向膜有良好的热稳定性,在250℃条件下取向仍可保持。
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| 关 键 词： | 液晶 垂直取向 二苯乙炔 自组装 硅烷偶联剂 |
Novel Vertical Alignment Film for Nematic Liquid Crystals Using Self-Assembled Monolayer |
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| ZHAO Dong-yu,MENG Qing-yong,YANG Guang-da,CAO Hui,HUANG Wei,HE Wan-li,WANG Guo-jie,YANG Zhou,ZHANG Xiao-guang,YANG Huai. Novel Vertical Alignment Film for Nematic Liquid Crystals Using Self-Assembled Monolayer[J]. Chinese Journal of Liquid Crystals and Displays, 2010, 25(1) |
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| Authors: | ZHAO Dong-yu MENG Qing-yong YANG Guang-da CAO Hui HUANG Wei HE Wan-li WANG Guo-jie YANG Zhou ZHANG Xiao-guang YANG Huai |
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| Abstract: | A self-assembled monolayer film of tolane was fabricated in aqueous solution by using silane coupling agent. Using this self-assembled monolayer film as homeotropic align-ment layer of nematic liquid crystals(LCs), the liquid crystals could be aligned vertically on the quartz substrate. The procedure of self-assembly is simple and the film has perfect ther-mal stability. As a promising homeotropic alignment layer of LCs, this type of self-assem-bled monolayer film has much potential to be used in vertical-alignment display(VA-LCD). |
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| Keywords: | liquid crystal homeotropic alignment tolane self-assembly silane coupling agent |
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