ArticleBeilstein journal of nanotechnology2015
Electrical response of liquid crystal cells doped with multi-walled carbon nanotubes.
Article in Beilstein journal of nanotechnology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Dielectric properties of a bisimidazolium salt with dodecyl sulfate anion doped with carbon nanotubes.Beilstein journal of nanotechnology · 2018Article
- Dynamic behavior of a nematic liquid crystal with added carbon nanotubes in an electric field.Beilstein journal of nanotechnology · 2018Article
- Reorientation of single-wall carbon nanotubes in negative anisotropy liquid crystals by an electric field.Beilstein journal of nanotechnology · 2016Article
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Authors and funding
5 authors.
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Abstract
The inclusion of nanoparticles modifies a number of fundamental properties of many materials. Doping of nanoparticles in self-organized materials such as liquid crystals may be of interest for the reciprocal interaction between the matrix and the nanoparticles. Elongated nanoparticles and nanotubes can be aligned and reoriented by the liquid crystal, inducing noticeable changes in their optical and electrical properties. In this work, cells of liquid crystal doped with high aspect ratio multi-walled carbon nanotubes have been prepared, and their characteristic impedance has been studied at different frequencies and excitation voltages. The results demonstrate alterations in the anisotropic conductivity of the samples with the applied electric field, which can be followed by monitoring the impedance evolution with the excitation voltage. Results are consistent with a possible electric contact between the coated substrates of the LC cell caused by the reorientation of the nanotubes. The reversibility of the doped system upon removal of the electric field is quite low.
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