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Materials 2014, 7(5), 3512-3521; doi:10.3390/ma7053512

Frequency and Temperature Dependence of Fabrication Parameters in Polymer Dispersed Liquid Crystal Devices

1
Grupo de Displays y Aplicaciones Fotónicas, Departamento de Tecnología Electrónica, Universidad Carlos III de Madrid, C/Butarque, 15, Leganés E28911, Madrid, Spain
2
Centre for Electrochemical Technologies (CIDETEC), Departamento de Nuevos Materiales, Parque Tecnológico de San Sebastián - Paseo Miramón, 196, San Sebastián E20009, Spain
*
Author to whom correspondence should be addressed.
Received: 15 February 2014 / Revised: 9 April 2014 / Accepted: 28 April 2014 / Published: 2 May 2014
(This article belongs to the Special Issue Liquid Crystals)
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Abstract

A series of polymer dispersed liquid crystal devices using glass substrates have been fabricated and investigated focusing on their electrical properties. The devices have been studied in terms of impedance as a function of frequency. An electric equivalent circuit has been proposed, including the influence of the temperature on the elements into it. In addition, a relevant effect of temperature on electrical measurements has been observed.
Keywords: polymer dispersed liquid crystals; equivalent circuit; constant phase element; temperature dependence; impedance analysis polymer dispersed liquid crystals; equivalent circuit; constant phase element; temperature dependence; impedance analysis
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Torres, J.C.; Vergaz, R.; Barrios, D.; Sánchez-Pena, J.M.; Viñuales, A.; Grande, H.J.; Cabañero, G. Frequency and Temperature Dependence of Fabrication Parameters in Polymer Dispersed Liquid Crystal Devices. Materials 2014, 7, 3512-3521.

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