Abstract

Nanomotors are of great importance when studying nanoelectromechanical systems that contain carbon nanotube (CNT) based nanomotors for controlled motion in water using a rotating electric field. In this paper, Y-type nanomotor structures based on CNTs immersed in an aqueous solution are designed, and systems with different Y-type structure angles are simulated using molecular dynamics. The simulation results suggest that when the rotating electric field speed is appropriate, changing the Y-type structure angle can adjust the hysteresis (forward and backward motion) of nanomotor rotors during rotation. Precise control over the rotation angle of the nanomotor rotor improves its working efficiency. The enclosed simulation results are an important reference when designing nanoscale propellers and complex structured nanogear systems in aqueous solutions.

Highlights

  • With the continuous application of nanotechnology in electromechanical systems, electrical equipment has begun to transition from microelectromechanical systems (MEMS) to nanoelectromechanical systems (NEMS).1,2 This miniaturized motor has produced major scientific breakthroughs in the fields of nanorobots, bio-NEMS, and nanofluids

  • This study provided a theoretical basis for complex nanogear systems

  • Rahman et al.17 designed an I-type molecule blade propeller and a nanogear system to drive external loads based on the principle of rotating carbon nanotube (CNT) immersed in an aqueous solution by changing the orientation of the water dipole as induced with a rotating electric field

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Summary

INTRODUCTION

With the continuous application of nanotechnology in electromechanical systems, electrical equipment has begun to transition from microelectromechanical systems (MEMS) to nanoelectromechanical systems (NEMS). This miniaturized motor has produced major scientific breakthroughs in the fields of nanorobots, bio-NEMS, and nanofluids. Man et al. developed a nanoscale molecular tubular prototype bubble propeller-driven motor that can move a carbon nanotube (CNT) at a speed of ∼60 m/s with a force of approximately 0.6 mN. Such small and fast moving nanomotors have great application value in drug delivery. Rahman et al. designed an I-type molecule blade propeller and a nanogear system to drive external loads based on the principle of rotating CNTs immersed in an aqueous solution by changing the orientation of the water dipole as induced with a rotating electric field. Y-type nanomotor rotors with different angles are used to drive nanogears and their influence on the rotation angle of the nanogear is explored

MODEL AND NUMERICAL METHOD
RESULTS AND DISCUSSION
CONCLUSIONS
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