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Rotation Motion of Designed Nano-Turbine
Li JY(李敬源); Wang XF(王晓峰); Zhao LN(赵丽娜); Gao XF(高兴发); 赵宇亮;Li, JY; Wang, XF; Zhao, LN; Gao, XF; Zhao, YL; Zhou, RH
2014
发表期刊SCIENTIFIC REPORTS
卷号4页码:5846
摘要Construction of nano-devices that can generate controllable unidirectional rotation is an important part of nanotechnology. Here, we design a nano-turbine composed of carbon nanotube and graphene nanoblades, which can be driven by fluid flow. Rotation motion of nano-turbine is quantitatively studied by molecular dynamics simulations on this model system. A robust linear relationship is achieved with this nano-turbine between its rotation rate and the fluid flow velocity spanning two orders of magnitude, and this linear relationship remains intact at various temperatures. More interestingly, a striking difference from its macroscopic counterpart is identified: the rotation rate is much smaller (by a factor of similar to 15) than that of the macroscopic turbine with the same driving flow. This discrepancy is shown to be related to the disruption of water flow at nanoscale, together with the water slippage at graphene surface and the so-called "dragging effect''. Moreover, counterintuitively, the ratio of "effective'' driving flow velocity increases as the flow velocity increases, suggesting that the linear dependence on the flow velocity can be more complicated in nature. These findings may serve as a foundation for the further development of rotary nano-devices and should also be helpful for a better understanding of the biological molecular motors.
学科领域Science & Technology - Other Topics
DOI10.1038/srep05846
收录类别SCI
WOS记录号WOS:000339511000001
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225370
专题多学科研究中心
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GB/T 7714
Li JY,Wang XF,Zhao LN,et al. Rotation Motion of Designed Nano-Turbine[J]. SCIENTIFIC REPORTS,2014,4:5846.
APA 李敬源.,王晓峰.,赵丽娜.,高兴发.,赵宇亮;Li, JY.,...&Zhou, RH.(2014).Rotation Motion of Designed Nano-Turbine.SCIENTIFIC REPORTS,4,5846.
MLA 李敬源,et al."Rotation Motion of Designed Nano-Turbine".SCIENTIFIC REPORTS 4(2014):5846.
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