Issue 33, 2015

Hybrid graphene nematic liquid crystal light scattering device

Abstract

A hybrid graphene nematic liquid crystal (LC) light scattering device is presented. This device exploits the inherent poly-crystallinity of chemical vapour deposited (CVD) graphene films to induce directional anchoring and formation of LC multi-domains. This thereby enables efficient light scattering without the need for crossed polarisers or separate alignment layers/additives. The hybrid LC device exhibits switching thresholds at very low electric fields (< 1 V μm−1) and repeatable, hysteresis free characteristics. This exploitation of LC alignment effects on CVD graphene films enables a new generation of highly efficient nematic LC scattering displays as well as many other possible applications.

Graphical abstract: Hybrid graphene nematic liquid crystal light scattering device

Supplementary files

Article information

Article type
Paper
Submitted
19 Jun 2015
Accepted
23 Jul 2015
First published
05 Aug 2015

Nanoscale, 2015,7, 14114-14120

Author version available

Hybrid graphene nematic liquid crystal light scattering device

M. M. Qasim, A. A. Khan, A. Kostanyan, P. R. Kidambi, A. Cabrero-Vilatela, P. Braeuninger-Weimer, D. J. Gardiner, S. Hofmann and T. D. Wilkinson, Nanoscale, 2015, 7, 14114 DOI: 10.1039/C5NR04094A

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