Article (Scientific journals)
Simultaneous alignment and dispersion of carbon nanotubes with lyotropic liquid crystals
Lagerwall, Jan; Scalia, G.; Haluska, Miroslav et al.
2006In Physica Status Solidi B. Basic Research, 243 (13), p. 3046-3049
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Keywords :
Nanotubes; liquid crystal; lyotropic
Abstract :
[en] We demonstrate that single-wall carbon nanotubes (SWCNTs) can be macroscopically aligned by means of templating in a lyotropic nematic liquid crystal (LC), a self-assembling anisotropic fluid with orienta- tional but no translational order. The CNTs spontaneously adopt the alignment of the host, as we verify by means of resonant Raman spectroscopy. The aqueous LC host, based on the surfactant SDS, simultane- ously keeps the nanotubes well dispersed over time scales of months or longer. The LC can be loaded with CNTs to almost the same extent as the standard isotropic 1% surfactant solutions normally used for dispersing CNTs without any optically visible bundling occurring.
Disciplines :
Physics
Author, co-author :
Lagerwall, Jan  ;  Universität Stuttgart
Scalia, G.
Haluska, Miroslav
Dettlaff-Weglikowska, Ursula
Roth, Siegmar
Giesselmann, Frank
Language :
English
Title :
Simultaneous alignment and dispersion of carbon nanotubes with lyotropic liquid crystals
Publication date :
2006
Journal title :
Physica Status Solidi B. Basic Research
ISSN :
1521-3951
Publisher :
Wiley, Berlin, Germany
Volume :
243
Issue :
13
Pages :
3046-3049
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
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