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Issue 47, 2013
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Electro and pressure tunable cholesteric liquid crystal devices based on ion-implanted flexible substrates

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Abstract

We report an electro-responsive and pressure sensitive device based on conductive polydimethylsiloxane (PDMS) combined with a short pitch Cholesteric Liquid Crystal (CLC). Ion-implantation and surface chemistry in PDMS enable both the induction of conducting properties in this elastomer as well as long range organization of the CLC. Sample electro-optical and pressure dependent optical properties are explored by applying a modulated electric field through the conducting PDMS and a uniform pressure on the top cover substrate. We show that both an electric field of a few V μm−1 and an external pressure of up to 128 kPa can tune the reflection band by about 100 nm.

Graphical abstract: Electro and pressure tunable cholesteric liquid crystal devices based on ion-implanted flexible substrates

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Article information


Submitted
03 Jul 2013
Accepted
28 Sep 2013
First published
01 Oct 2013

J. Mater. Chem. C, 2013,1, 7798-7802
Article type
Communication

Electro and pressure tunable cholesteric liquid crystal devices based on ion-implanted flexible substrates

L. De Sio, G. Palermo, V. Caligiuri, A. E. Vasdekis, A. Pane, J. Choi, L. Maffli, M. Niklaus, H. R. Shea and C. Umeton, J. Mater. Chem. C, 2013, 1, 7798
DOI: 10.1039/C3TC31272K

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