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Size‐Dependence and Elasticity of Liquid‐Crystalline Multiwalled Carbon Nanotubes
Author(s) -
Song Wenhui,
Windle Alan H.
Publication year - 2008
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200702972
Subject(s) - materials science , rod , liquid crystalline , carbon nanotube , aspect ratio (aeronautics) , nanotube , elasticity (physics) , microstructure , liquid crystal , nanotechnology , composite material , chemical engineering , optoelectronics , medicine , alternative medicine , pathology , engineering
Profound size‐effects of liquid‐crystalline microstructures of multiwalled carbon nanotube dispersions are reported. The figure shows that nanotubes behave like rigid rods in the case of a low aspect ratio; however, they behave as flexible beams that deform easily following the local orientation in a liquid crystalline field if they are thin and/or long with a relatively high aspect ratio.