IONIC CONTRIBUTIONS TO NEMATIC LIQUID CRYSTAL - CONDUCTING POLYMER INTERFACE PHENOMENA

被引：0
|
作者：
Atasiei, Ruxandra [1 ]
Dascalu, Constanta [1 ]
Eseanu, Nicoleta [1 ]
Raicopol, Matei [2 ]
Alexe-Ionescu, Anca-Luiza [1 ]
机构：
[1] Univ Politehn Bucuresti, Fac Sci Appl, Dept Phys, Bucharest, Romania
[2] Univ Politehn Bucuresti, Fac Appl Chem & Mat Sci, Bucharest, Romania
来源：
UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN-SERIES A-APPLIED MATHEMATICS AND PHYSICS | 2008年 / 70卷 / 04期
关键词：
nematic liquid crystals; conducting polymers; asymmetric carrier injection;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The current to voltage response of a nematic liquid crystal (NLC) sample aligned with a conducting polymer has been measured A deviation from the linear behaviour of the current has been observed for long enough periods of triangular applied voltages. This is connected to the electric charge accumulation at nematic-polymer interface due to the asymmetric carrier injection and to redox phenomena for larger external fields. Our analysis has been carried out in a quasi-static regime in which the nematic director follows the time variation of the applied field without delay.
引用
收藏
页码：83 / 88
页数：6
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