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Morphology of polymer networks formed in the chiral and non chiral phases of an anti-ferroelectric liquid crystal

Singh, U., Spink, M., Davis, F. and Mitchell, G. (2015) Morphology of polymer networks formed in the chiral and non chiral phases of an anti-ferroelectric liquid crystal. Chemical Physics Letters, 641. pp. 80-83. ISSN 0009-2614

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To link to this item DOI: 10.1016/j.cplett.2015.10.047

Abstract/Summary

We introduced photo-polymer networks into the various liquid crystalline phases of the antiferroelectric liquid crystal AS612 and studied the effects of these networks by measuring the temperature dependence of the Bragg wavelengths selectively reflected. After polymerization, the decrease in Bragg wavelengths with respect to the original values is consistent with a shorter helical pitch due to polymer network shrinkage. Also, by removing the liquid crystalline material, we are able to image the residual polymer network using scanning electron microscopy and polarized light microscopy. The polymer strands are a few microns thick and the networks show both chiral and non-chiral features.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF)
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Electron Microscopy Laboratory (CAF)
ID Code:46515
Publisher:Elsevier

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