Abstract
The main objective of this study is to investigate the effect of dielectrophoresis and electrophoresis forces on charge and zeta potential values for colloidal carbon nanotubes in liquid crystal medium, which are investigated in homogeneously aligned in-plane field driven cell. It has been detected that carbon nanotubes suspended in liquid crystal medium oppose an applied electric field and behave like diaelectric material. The dielectrophoresis force, electrophoresis force, electrophoretic velocity, zeta potential, charges on carbon nanotubes, Dukhin number, and surface conductance of colloidal carbon nanotubes in liquid crystal medium have been evaluated. The significant effect of dielectrophoretic force is found to be present in colloidal system and the value of surface conductance of suspending particles was of the order of 10−17S.
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