A route toward digital manipulation of water nanodroplets on surfaces

Meng Cheng; Duoming Wang; Zhaoru Sun; Jing Zhao; Rong Yang; Guole Wang; Wei Yang; Guibai Xie; Jing Zhang; Peng Chen; Congli He; Donghua Liu; Limei Xu; Dongxia Shi; Enge Wang; Guangyu Zhang

doi:10.1021/nn500873q

A route toward digital manipulation of water nanodroplets on surfaces

Meng Cheng, Duoming Wang, Zhaoru Sun, Jing Zhao, Rong Yang, Guole Wang, Wei Yang, Guibai Xie, Jing Zhang, Peng Chen, Congli He, Donghua Liu, Limei Xu, Dongxia Shi, Enge Wang, Guangyu Zhang^*

^*此作品的通讯作者

科研成果: 期刊稿件 › 文章 › 同行评审

36 引用（Scopus）

摘要

Manipulation of an isolated water nanodroplet (WN) on certain surfaces is important to various nanofluidic applications but challenging. Here we present a digital nanofluidic system based on a graphene/water/mica sandwich structure. In this architecture, graphene provides a flexible protection layer to isolate WNs from the outside environment, and a monolayer ice-like layer formed on the mica surface acts as a lubricant layer to allow these trapped WNs to move on it freely. In combination with scanning probe microscope techniques, we are able to move, merge, and separate individual water nanodroplets in a controlled manner. The smallest manipulatable water nanodroplet has a volume down to yoctoliter (10^-24 L) scale.

源语言	英语
页（从-至）	3955-3960
页数	6
期刊	ACS Nano
卷	8
期	4
DOI	https://doi.org/10.1021/nn500873q
出版状态	已出版 - 22 4月 2014
已对外发布	是

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title = "A route toward digital manipulation of water nanodroplets on surfaces",

abstract = "Manipulation of an isolated water nanodroplet (WN) on certain surfaces is important to various nanofluidic applications but challenging. Here we present a digital nanofluidic system based on a graphene/water/mica sandwich structure. In this architecture, graphene provides a flexible protection layer to isolate WNs from the outside environment, and a monolayer ice-like layer formed on the mica surface acts as a lubricant layer to allow these trapped WNs to move on it freely. In combination with scanning probe microscope techniques, we are able to move, merge, and separate individual water nanodroplets in a controlled manner. The smallest manipulatable water nanodroplet has a volume down to yoctoliter (10-24 L) scale.",

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author = "Meng Cheng and Duoming Wang and Zhaoru Sun and Jing Zhao and Rong Yang and Guole Wang and Wei Yang and Guibai Xie and Jing Zhang and Peng Chen and Congli He and Donghua Liu and Limei Xu and Dongxia Shi and Enge Wang and Guangyu Zhang",

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T1 - A route toward digital manipulation of water nanodroplets on surfaces

AU - Cheng, Meng

AU - Wang, Duoming

AU - Sun, Zhaoru

AU - Zhao, Jing

AU - Yang, Rong

AU - Wang, Guole

AU - Yang, Wei

AU - Xie, Guibai

AU - Zhang, Jing

AU - Chen, Peng

AU - He, Congli

AU - Liu, Donghua

AU - Xu, Limei

AU - Shi, Dongxia

AU - Wang, Enge

AU - Zhang, Guangyu

PY - 2014/4/22

Y1 - 2014/4/22

N2 - Manipulation of an isolated water nanodroplet (WN) on certain surfaces is important to various nanofluidic applications but challenging. Here we present a digital nanofluidic system based on a graphene/water/mica sandwich structure. In this architecture, graphene provides a flexible protection layer to isolate WNs from the outside environment, and a monolayer ice-like layer formed on the mica surface acts as a lubricant layer to allow these trapped WNs to move on it freely. In combination with scanning probe microscope techniques, we are able to move, merge, and separate individual water nanodroplets in a controlled manner. The smallest manipulatable water nanodroplet has a volume down to yoctoliter (10-24 L) scale.

AB - Manipulation of an isolated water nanodroplet (WN) on certain surfaces is important to various nanofluidic applications but challenging. Here we present a digital nanofluidic system based on a graphene/water/mica sandwich structure. In this architecture, graphene provides a flexible protection layer to isolate WNs from the outside environment, and a monolayer ice-like layer formed on the mica surface acts as a lubricant layer to allow these trapped WNs to move on it freely. In combination with scanning probe microscope techniques, we are able to move, merge, and separate individual water nanodroplets in a controlled manner. The smallest manipulatable water nanodroplet has a volume down to yoctoliter (10-24 L) scale.

KW - atomic force microscope

KW - graphene cover

KW - ice-like layer

KW - molecular dynamics simulation

KW - nanofluidic manipulation

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JO - ACS Nano

JF - ACS Nano

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A route toward digital manipulation of water nanodroplets on surfaces

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