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Nano Watermill Driven by the Revolving Charge by Zhou, Xiaoyan; Kou, Jianlong; Nie, Xuechuan; Wu, Fengmin; Liu, Yang; Lu, Hangjun is a scholarly article available to read on EtoBox.

What is Nano Watermill Driven by the Revolving Charge about?

Using molecular dynamics simulations, we propose a novel nanoscale watermill for unidirectional transport of water molecules through a curved single-walled carbon nanotube (SWNT). In this nanoscale system, a revolving charge is introduced to drive water chain confined inside the SWNT, which is served as nano waterwheel and nano engine. A resonance-like phenomenon is found that the revolving frequency of the charge plays a key role in pumping water chain. The water flux across the SWNT increases with respect to the revolving frequency of the external charge and reaches the maximum when the frequency is 4 THz. Correspondingly, the number of the hydrogen bonds of water chain inside the SWNT decreases dramatically with the frequency ranging from 4 THz to 25 THz. The mechanism behind the resonant phenomenon has been investigated systematically. Our findings are helpful for designing nanoscale fluidic devices and energy converters.

Author

Zhou, Xiaoyan; Kou, Jianlong; Nie, Xuechuan; Wu, Fengmin; Liu, Yang; Lu, Hangjun

Published

2015

Language

EN