Effect of the composition and temperature of the subphase on the surface potential of the Langmuir monolayer of 8CB liquid crystal

The effect of the composition and temperature of the subphase on the effective dipole moment of the Langmuir monolayers of a liquid crystal 4-n-octyl-4'-cyanobiphenyl on the surface of pure water and an aqueous solution containing copper nanoparticles was studied. It is shown that the presence...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-12, Vol.1697 (1), p.12112
Main Authors: Begletsova, N N, Mironyuk, V N, Santer, S, Smirnova, A I, Usol'tseva, N V, Glukhovskoy, E G
Format: Article
Language:English
Subjects:
Aqueous solutions
Composition effects
Dipole moments
Liquid crystals
Monolayers
Monomolecular films
Nanoparticles
Physics
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Summary:The effect of the composition and temperature of the subphase on the effective dipole moment of the Langmuir monolayers of a liquid crystal 4-n-octyl-4'-cyanobiphenyl on the surface of pure water and an aqueous solution containing copper nanoparticles was studied. It is shown that the presence of nanoparticles in the subphase leads to increase of the area occupied by the monolayer in the condensed state, increase of the collapse pressure, and reduce of the surface potential at the end of monolayer compression. The effective dipole moments of liquid crystal molecules were calculated for monolayers formed under various conditions.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1697/1/012112