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Characterization of carbon nanotube–thermotropic nematic liquid crystal composites

O Trushkevych1, N Collings1, T Hasan1, V Scardaci1, A C Ferrari1, T D Wilkinson1, W A Crossland1, W I Milne1, J Geng2, B F G Johnson2 and S Macaulay3

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Dispersions of carbon nanotubes (CNTs) in liquid crystals (LCs) have attracted attention due to their unique properties and possible applications in photonics and electronics. However, these are hard to stabilize, and the loading level in the equilibrium state in LC hosts is small. A practical way to monitor the quality and CNT incorporation in such equilibrium dispersions is required. Here, we compare different methods for characterising equilibrium CNT–LC composite materials.


PACS

61.30.Eb Experimental determinations of smectic, nematic, cholesteric, and other structures

61.46.Fg Nanotubes

Subjects

Soft matter, liquids and polymers

Nanoscale science and low-D systems

Dates

Issue 12 (21 June 2008)

Received 23 October 2007, in final form 28 March 2008

Published 29 May 2008



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