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Liquid Crystals Volume 40, 2013 - Issue 12
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Invited Article

Dispersion and orientation of single-walled carbon nanotubes in a chromonic liquid crystal

Nawel Ould-MoussaLaboratoire Charles Coulomb, UMR CNRS 5221, Université Montpellier II Pl. E. Bataillon, 34095, Montpellier, Cedex 5, France
,
Christophe BlancLaboratoire Charles Coulomb, UMR CNRS 5221, Université Montpellier II Pl. E. Bataillon, 34095, Montpellier, Cedex 5, France
,
Camilo Zamora-LedezmaLaboratorio de Física de la Materia Condensada, Instituto Venezolano de Investigaciones Científicas, Altos de Pipe, 1204, Caracas, Venezuela
,
Oleg D. LavrentovichLiquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, OH44242, USA
,
Ivan I. SmalyukhDepartment of Physics, Liquid Crystals Materials Research Center, University of Colorado, Boulder, CO80309, USA;Department of Electrical, Computer and Energy Engineering, University of Colorado, Boulder, CO80309, USA;Renewable and Sustainable Energy Institute, National Renewable Energy Laboratory, University of Colorado, Boulder, CO, 80309, USA
,
Mohammad F. IslamDepartment of Materials Science and Engineering, 5000 Forbes Avenue, Carnegie Mellon University, Pittsburgh, PA15213-3890, USA
,
A.G. YodhDepartment of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA19104, USA
,
Maryse MaugeyCentre de Recherche Paul Pascal, UPR CNRS 8641, UniversitéBordeaux I, 33600, France
,
Philippe PoulinCentre de Recherche Paul Pascal, UPR CNRS 8641, UniversitéBordeaux I, 33600, France
,
Eric AnglaretLaboratoire Charles Coulomb, UMR CNRS 5221, Université Montpellier II Pl. E. Bataillon, 34095, Montpellier, Cedex 5, France
&
Maurizio NobiliLaboratoire Charles Coulomb, UMR CNRS 5221, Université Montpellier II Pl. E. Bataillon, 34095, Montpellier, Cedex 5, FranceCorrespondence[email protected]
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Pages 1628-1635 | Received 29 Oct 2012, Accepted 29 Jan 2013, Published online: 21 Feb 2013
 
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Abstract

A post-synthesis alignment of individual single-walled carbon nanotubes (SWCNTs) is desirable for translating their unique anisotropic properties to a macroscopic scale. Here, we demonstrate excellent dispersion, orientation and concomitant-polarised photoluminescence of SWCNTs in a nematic chromonic liquid crystal. The methods to obtain stable suspension are described, and order parameters of the liquid crystal matrix and of the nanotubes are measured independently.

Acknowledgement

This work was supported by the ANR P-NANO grant NATALI, France Venezuela Postgraduate Cooperation Program, NSF grant 1121288 (ODL), DMR 0847782 (IIS), the NSF (DMR-0804881, MRSEC DMR11-20901) (AGY), NSF DMR-0645596 and CBET-0933510 (MI). CZL acknowledges Fundayacucho-Venezuela/CROUS-France scholarship.

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