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Issue 15, 2019
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Nanoscale hyperspectral imaging of tilted cholesteric liquid crystal structures

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Abstract

Ongoing research on chiral liquid crystals takes advantage of the peculiar behavior of twisted structures subject to curvature. We demonstrate the fine tunability of the characteristics of the bandgap of a cholesteric structure in which the orientation of the helix axis spatially changes. To date, the spectral resolution of the order of 6 nm, herein reached by hyperspectral imaging, has not been solved in tilted helices. A correlation between spectral shifts and spatial twists is thus made possible.

Graphical abstract: Nanoscale hyperspectral imaging of tilted cholesteric liquid crystal structures

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Article information


Submitted
11 Dec 2018
Accepted
15 Mar 2019
First published
19 Mar 2019

Soft Matter, 2019,15, 3256-3263
Article type
Paper

Nanoscale hyperspectral imaging of tilted cholesteric liquid crystal structures

A. Jullien, A. Scarangella, U. Bortolozzo, S. Residori and M. Mitov, Soft Matter, 2019, 15, 3256
DOI: 10.1039/C8SM02506A

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