Simulation-based Engineering of Micro/Nanoscale Liquid Crystal Devices
基于仿真的微/纳米级液晶器件工程
基本信息
- 批准号:418353-2012
- 负责人:
- 金额:$ 1.82万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2017
- 资助国家:加拿大
- 起止时间:2017-01-01 至 2018-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Liquid crystals (LCs) are a fascinating class of materials which paradoxically flow like liquids while also possessing crystal-like qualities (e.g., graphite). Surprisingly, LCs are pervasive in your daily life...you are most likely reading this text on a liquid crystal-based display, an LCD! The refinement of LCDs over the last few decades has substantially improved our daily lives; without LC-based technology, we would not have most portable electronics such as laptops and cellphones. Current LCD technology is only one possible application of LCs, relying on the most simple class of them known as "nematics." There are many, more complex, types of LCs which have not yet been used technologically and are included in this research program. This research program aims to address this lack of new LC-based technology through a powerful, yet economical approach: modelling and simulation. We use a synergy of highly descriptive mathematical models and high-performance supercomputers to perform simulations of LCs that simultaneously capture both device-scales and nanoscale (one billionth of a metre) features inherent to LCs. This approach is advantageous and complementary to experimental studies, which have difficulty capturing the fast dynamics of LCs (one thousandth to one millionth of a second!). We focus on two innovative applications of LCs: (1) new LC materials for low-cost optical films and (2) novel electric-field induced LC flows for micro/nano-pumps and actuators. The first application will pave the way for large plastic sheets and coatings with small domains of LC dispersed throughout. These composite materials have a broad range of uses from aesthetics to energy saving window coatings. The second application will enable the development of tiny LC-devices that precisely apply force coupled to an electric field for micro/nano-mechanics technology. In summary, this research program will develop innovative technology using novel LC materials. This will provide Canada with a new area of growth and innovation.
液晶(lc)是一类令人着迷的材料,它矛盾地像液体一样流动,同时也具有晶体般的品质(例如石墨)。令人惊讶的是,信用证在你的日常生活中无处不在……你很可能是在液晶显示器上阅读这篇文章。在过去的几十年里,液晶显示器的改进极大地改善了我们的日常生活;如果没有基于lc的技术,我们就不会有大多数便携式电子产品,如笔记本电脑和手机。目前的LCD技术只是LCD的一种可能应用,它依赖于最简单的一类被称为“向列矩阵”的LCD。有许多更复杂的LCs类型尚未在技术上使用,并包括在本研究计划中。本研究计划旨在通过一种强大而经济的方法:建模和仿真来解决这种缺乏新的基于lc的技术的问题。我们使用高度描述性的数学模型和高性能超级计算机的协同作用来执行lc的模拟,同时捕获设备尺度和纳米尺度(一米的十亿分之一)固有的lc特征。这种方法对实验研究是有利的和互补的,因为实验研究很难捕捉到lc的快速动态(千分之一到百万分之一秒!)。我们重点研究了LC的两个创新应用:(1)用于低成本光学薄膜的新型LC材料和(2)用于微/纳米泵和执行器的新型电场诱导LC流。第一个应用将为大型塑料片材和分散在小范围LC的涂层铺平道路。这些复合材料具有广泛的用途,从美观到节能窗户涂料。第二个应用将使微型lc设备的开发能够精确地将力耦合到微/纳米力学技术的电场上。总之,这项研究计划将开发使用新型LC材料的创新技术。这将为加拿大提供一个新的增长和创新领域。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Abukhdeir, NasserMohieddin其他文献
Abukhdeir, NasserMohieddin的其他文献
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