Breakdown in the wetting transparency of graphene

Chih Jen Shih; Qing Hua Wang; Shangchao Lin; Kyoo Chul Park; Zhong Jin; Michael S. Strano; Daniel Blankschtein

doi:10.1103/PhysRevLett.109.176101

Breakdown in the wetting transparency of graphene

Chih Jen Shih, Qing Hua Wang, Shangchao Lin, Kyoo Chul Park, Zhong Jin, Michael S. Strano, Daniel Blankschtein

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

326 Scopus citations

Abstract

We develop a theory to model the van der Waals interactions between liquid and graphene, including quantifying the wetting behavior of a graphene-coated surface. Molecular dynamics simulations and contact angle measurements were also carried out to test the theory. We show that graphene is only partially transparent to wetting and that the predicted highest attainable contact angle of water on a graphene-coated surface is 96°. Our findings reveal a more complex picture of wetting on graphene than what has been reported recently as complete "wetting transparency."

Original language	English (US)
Article number	176101
Journal	Physical Review Letters
Volume	109
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.109.176101
State	Published - Oct 24 2012
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.109.176101

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AU - Wang, Qing Hua

AU - Lin, Shangchao

AU - Park, Kyoo Chul

AU - Jin, Zhong

AU - Strano, Michael S.

AU - Blankschtein, Daniel

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AB - We develop a theory to model the van der Waals interactions between liquid and graphene, including quantifying the wetting behavior of a graphene-coated surface. Molecular dynamics simulations and contact angle measurements were also carried out to test the theory. We show that graphene is only partially transparent to wetting and that the predicted highest attainable contact angle of water on a graphene-coated surface is 96°. Our findings reveal a more complex picture of wetting on graphene than what has been reported recently as complete "wetting transparency."

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Breakdown in the wetting transparency of graphene

Abstract

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