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首页> 外文会议>Conference on Emerging Liquid Crystal Technologies; 20080120-22; San Jose,CA(US) >Effects of functionalized metal and semiconductor nanoparticles in nematic liquid crystal phases
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Effects of functionalized metal and semiconductor nanoparticles in nematic liquid crystal phases

机译：向列液晶相中功能化金属和半导体纳米颗粒的影响

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摘要

To capitalize on the unique size and shape-dependent optical and electronic properties of nanoscale particles for liquid crystal (LC) applications, detailed structure and size-property relationship studies are critical. To enhance our understanding of the thermal, optical and electro-optic effects of nanoparticles in nematic LCs we produced numerous different nematic LC mixtures containing small quantities of dispersed metal nanoparticles (i.e. gold and silver nanoclusters) or semiconductor quantum dots (i.e. CdTe nanocrystals) and studied their optical (texture, alignment, defect formation, luminescence) and electro-optic properties. Depending on several experimental parameters such as nanoparticle functionalization and concentration, as well as thermal history in combination with an applied electric field, these nanoparticle/LC mixtures with the nanoparticles differing in surface functionality, size, and core material gave rise to unique alignment effects and electro-optic responses in the two investigated nematic LC (N-LC) hosts.
机译：为了利用用于液晶（LC）应用的纳米级颗粒的独特尺寸和与形状有关的光学和电子特性，进行详细的结构和尺寸-特性关系研究至关重要。为了增强我们对向列液相色谱中纳米颗粒的热，光学和电光效应的了解，我们生产了许多不同的向列液相色谱混合物，其中包含少量分散的金属纳米颗粒（例如金和银纳米团簇）或半导体量子点（例如CdTe纳米晶体）和研究了它们的光学（纹理，排列，缺陷形成，发光）和电光特性。取决于几个实验参数，例如纳米粒子的功能化和浓度，以及结合施加电场的热历史，这些纳米粒子/ LC混合物与纳米粒子的表面功能，尺寸和核心材料不同，从而产生独特的排列效果，并且在两个调查的向列LC（N-LC）主机中的电光响应。

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