Electrical and Optical Studies of Hydrogen Bonded Ferroelectric Liquid Crystals Dispersed with MWCNT

Two hydrogen bonded ferroelectric liquid crystals (HBFLC) are dispersed with multi-walled carbon nanotubes (MWCNT) for achieving better thermal and electrical performance. Interesting feature of the present communication is the enhancement in the enthalpy value pertaining to isotropic-nematic transi...

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Bibliographic Details
Published in:Journal of dispersion science and technology 2012-01, Vol.33 (1), p.111-116
Main Authors: Vijayakumar, V. N., Madhu Mohan, M. L. N.
Format: Article
Language:English
Subjects:
Activation energy
Bonding
carbon nanotubes
Chemistry
Colloidal state and disperse state
Dispersion
Dispersions
Exact sciences and technology
Ferroelectric materials
Ferroelectricity
General and physical chemistry
hydrogen bonded liquid crystals
Liquid crystals
Multi wall carbon nanotubes
Nanotubes
nematic
Shuttering
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Summary:Two hydrogen bonded ferroelectric liquid crystals (HBFLC) are dispersed with multi-walled carbon nanotubes (MWCNT) for achieving better thermal and electrical performance. Interesting feature of the present communication is the enhancement in the enthalpy value pertaining to isotropic-nematic transition in MWCNT doped liquid crystals compare to its pure counter parts. Dielectric relaxations studies are carried out in the pure and the MWCNT doped systems. It is observed that doping of MWCNT elevated the activation energies considerably. Optical shuttering action in one of the complex dispersed with MWCNT are discussed.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2010.548222