碳纳米管受介电泳作用三维运动仿真

doi:10.3969/j.issn.1001-2400.2016.04.027

Abstract

Abstract:

Based on the dielectrophoretic force arising from the polarization of carbon nanotubes (CNTs) in the dielectric fluid under an alternating current electric field and the viscous resistance from the fluid, force and motion models for CNTs under dielectrophoresis (DEP) are established. Simulation is conducted on the translational and rotational motion of CNTs. Three-dimensional trajectories and a distribution region of initial points from where a CNT can be successfully assembled onto the electrode gap are obtained. By calculating the DEP force and translational velocity of a CNT during assembly, we know that the nearer the CNT to the electrode gap, the greater the DEP force and CNT velocity, and that the maximal DEP force and CNT velocity can be respectively of orders 10^-9N and 10^{5^{μm/s. The results of simulation provide guidance for DEP assembly of CNTs.}}

Key words: carbon nanotube, dielectrophoresis, mathematical model, simulation, three-dimensional trajectory

WANG Xiaochong;AN Libao;GONG Liang;CHEN Yan. Three-dimensional simulation of kinetics of carbon nanotubes under dielectrophoresis[J].Journal of Xidian University, 2016, 43(4): 154-159.

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Three-dimensional simulation of kinetics of carbon nanotubes under dielectrophoresis

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