Effect of carbon nanotubes on the field-induced nematic switching

被引：49
|
作者：
Basu, Rajratan [1 ]
机构：
[1] US Naval Acad, Soft Matter & Nanomat Lab, Dept Phys, Annapolis, MD 21402 USA
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 24期
关键词：
LIQUID-CRYSTALS; ROTATIONAL VISCOSITY; TRANSIENT CURRENT; ALIGNMENT;
D O I：
10.1063/1.4846676
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A small quantity of carbon nanotubes (CNT) was doped in a nematic liquid crystal (LC), and the LC + CNT hybrid was found to exhibit a faster field-induced nematic switching compared to that of the pure LC. The field-induced switching time was probed by means of the electro-optic response of the samples. The hybrid system also revealed a reduced rotational viscosity and an enhanced dielectric anisotropy. The results suggest that the hybrid system undergoes a faster field-induced switching, as the CNTs favorably alter the rotational viscosity and the dielectric anisotropy of the nematic matrix. (C) 2013 AIP Publishing LLC.
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页数：4
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