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

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

1,* , 1
,
1
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1, 2
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 and
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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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