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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2019, 19 (3), 51—58.
DOI: 10.18083/LCAppl.2019.3.51

Formation of Polymer-Dispersed Nematic Liquid Crystals Doped by Nitrogen-Containing Carbon Nanotubes in Magnetic Field

G. M. Zharkova1, V. P. Fomichev1, O. Yu. Podyacheva2

Author affiliations
1Khristianovich Institute of Theoretical and Applied Mechanics,
4/1 Institutskaya St., Novosibirsk, 630090, Russia
2Boreskov Institute of Catalysis,
5 Acad. Lavrentiev Ave., Novosibirsk, 630090, Russia

The paper presents results on the influence of weak magnetic fields at the formation of polymer-dispersed nematic liquid crystals doped with nitrogen-containing carbon nanotubes. The effect of the concentration of nitrogen-containing nanotubes and the magnetic field strength on electro-optical characteristics of films is described. It is shown that the presence of iron impurities (up to 4 wt. %) in nitrogen-containing carbon nanotubes during film formation in a weak magnetic field (up to 0.13 T) increases light transmission of film by 2 times (till 77 %), while the optical response time decreases also by 2 times (till 5,1 ms).

Keywords: polymer-dispersed liquid crystals, carbon nanotubes, magnetic field

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