Quantitative control of a rotary carbon nanotube motor under temperature stimulus
Date
2016
Authors
Qin, Qing Hua
Shi, Jiao
Cai, Kun
Wan, Jing
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Volume Title
Publisher
Institute of Physics Publishing
Abstract
Since a double-walled carbon nanotube (DWCNT)-based rotary motor driven by a uniform
temperature field was proposed in 2014, how to control quantitatively the rotation of the rotor is
still an open question. In this work, we present a mathematical relationship between the rotor’s
speed and interaction energy. Essentially, the increment of interaction energy between the rotor
and the stator(s) determines the rotor’s rotational speed, whereas the type of radial deviation of
an end carbon atom on the stator determines the rotational direction. The rotational speed of the
rotor can be specified by adjusting temperature and radial deviation of an end carbon atom on the
stator. It is promising for designing a controllable temperature-driven rotary motor based on
DWCNTs with length of few nanometers only.
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Nanotechnology
Type
Journal article
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Restricted until
2037-12-31
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