Issue 18, 2013

Opto-mechanical effect in photoactive nematic main-chain liquid-crystalline elastomers

Abstract

Monodomains of nematic main-chain liquid-crystalline elastomers containing azoderivatives in the polymer backbone have been studied by means of opto-mechanical experiments at different temperatures for the evaluation of the mechanical response, kinetic rates, activation energies and the isomerization mechanism. The increase in the crosslinking density of the network enhances the light-induced stress in the sample, leading to a better performance and more tunability of the systems when compared to nematic side-chain liquid-crystalline elastomers.

Graphical abstract: Opto-mechanical effect in photoactive nematic main-chain liquid-crystalline elastomers

Supplementary files

Article information

Article type
Paper
Submitted
10 Oct 2012
Accepted
21 Feb 2013
First published
14 Mar 2013
This article is Open Access

Soft Matter, 2013,9, 4621-4627

Opto-mechanical effect in photoactive nematic main-chain liquid-crystalline elastomers

A. Sánchez-Ferrer and H. Finkelmann, Soft Matter, 2013, 9, 4621 DOI: 10.1039/C3SM27341E

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