Effect of conducting polymer poly (3,4-ethylenedioxythiophene) (PEDOT) nanotubes on electro-optical and dielectric properties of a ferroelectric liquid crystal

被引：17
|
作者：
Ghosh, S. [1 ]
Nayek, P. [1 ]
Roy, S. K. [1 ]
Gangopadhyay, R. [2 ]
Molla, M. Rahaman [3 ]
Majumder, T. P. [4 ]
机构：
[1] Indian Assoc Cultivat Sci, Dept Spect, Kolkata 700032, India
[2] Indian Assoc Cultivat Sci, Ctr Adv Mat, Kolkata 700032, India
[3] Indian Assoc Cultivat Sci, Polymer Sci Unit, Kolkata 700032, India
[4] Univ Kalyani, Dept Phys, Kalyani 741235, W Bengal, India
来源：
EUROPEAN PHYSICAL JOURNAL E | 2011年 / 34卷 / 04期
关键词：
CARBON NANOTUBES; NANOPARTICLES; FABRICATION; NANOSOLIDS; NANOFIBERS; FIELD; CELL;
D O I：
10.1140/epje/i2011-11035-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A detailed comparative study of the dielectric and electro-optical properties of a ferroelectric liquid crystal (FLC) and FLC after having doped with conducting polymer Poly (3,4-ethylenedioxythiophene) (PEDOT) nanotubes is done. The electro-optic study reveals a lower electrical response time, rotational viscosity and spontaneous polarization in the FLC/PEDOT nanocomposite system. By fitting the capacitance with voltage in a Preisach model, four dipolar species in both FLC and composites system have been obtained. The orientation of the four dipolar species in the composites system is such that the effective dipole moment in the transverse direction of the FLC molecule is less than that in FLC compound.
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页数：6
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