Nanocarpet effect: Pattern formation during the wetting of vertically aligned nanorod arrays

J. G. Fan; D. Dyer; G. Zhang; Y. P. Zhao

doi:10.1021/nl048776b

Nanocarpet effect: Pattern formation during the wetting of vertically aligned nanorod arrays

J. G. Fan
, D. Dyer
, G. Zhang
, Y. P. Zhao

Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

132 Scopus citations

Abstract

When a water droplet spreads on a vertically aligned nanorod surface, the nanorod array will deform into statistically percolated patterns. This nanocarpet effect has been investigated for Si nanorods. Three distinct morphologies were found: a center region due to the water droplet impact, a tilting region due to gravity, and a percolation region due to capillary invasion. The corresponding capillary forces have been estimated through finite element analysis. This effect presents a challenge for nanodevices involving liquid interactions.

Original language	English
Pages (from-to)	2133-2138
Number of pages	6
Journal	Nano Letters
Volume	4
Issue number	11
DOIs	https://doi.org/10.1021/nl048776b
State	Published - Nov 2004

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl048776b

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title = "Nanocarpet effect: Pattern formation during the wetting of vertically aligned nanorod arrays",

abstract = "When a water droplet spreads on a vertically aligned nanorod surface, the nanorod array will deform into statistically percolated patterns. This nanocarpet effect has been investigated for Si nanorods. Three distinct morphologies were found: a center region due to the water droplet impact, a tilting region due to gravity, and a percolation region due to capillary invasion. The corresponding capillary forces have been estimated through finite element analysis. This effect presents a challenge for nanodevices involving liquid interactions.",

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AU - Fan, J. G.

AU - Dyer, D.

AU - Zhang, G.

AU - Zhao, Y. P.

PY - 2004/11

Y1 - 2004/11

N2 - When a water droplet spreads on a vertically aligned nanorod surface, the nanorod array will deform into statistically percolated patterns. This nanocarpet effect has been investigated for Si nanorods. Three distinct morphologies were found: a center region due to the water droplet impact, a tilting region due to gravity, and a percolation region due to capillary invasion. The corresponding capillary forces have been estimated through finite element analysis. This effect presents a challenge for nanodevices involving liquid interactions.

AB - When a water droplet spreads on a vertically aligned nanorod surface, the nanorod array will deform into statistically percolated patterns. This nanocarpet effect has been investigated for Si nanorods. Three distinct morphologies were found: a center region due to the water droplet impact, a tilting region due to gravity, and a percolation region due to capillary invasion. The corresponding capillary forces have been estimated through finite element analysis. This effect presents a challenge for nanodevices involving liquid interactions.

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JO - Nano Letters

JF - Nano Letters

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Nanocarpet effect: Pattern formation during the wetting of vertically aligned nanorod arrays

Abstract

ASJC Scopus subject areas

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