Stable and transparent superhydrophobic nanoparticle films

Xing Yi Ling; In Yee Phang; G. Julius Vancso; Jurriaan Huskens; David N. Reinhoudt

doi:10.1021/la8040715

Stable and transparent superhydrophobic nanoparticle films

Xing Yi Ling, In Yee Phang, G. Julius Vancso, Jurriaan Huskens^*, David N. Reinhoudt

^*Corresponding author for this work

University of Twente

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

172 Citations (Scopus)

Abstract

A superhydrophobic surface with a static water contact angle (θ_w) > 150° was created by a simple "dip- coating" method of 60-nm SiO₂ nanoparticles onto an amine-terminated (NH₂) self-assembled monolayer (SAM) glass/silicon oxide substrate, followed by chemical vapor deposition of a fluorinated adsorbate. For comparison, a close-packed nanoparticle film, formed by convective assembly, gave θ_w ∼ 120°. The stability of the superhydrophobic coating was enhanced by sintering of the nanoparticles in an O₂ environment at high temperature (1100 °C). A sliding angle of <5° indicated the self-cleaning properties of the surface. The dip-coating method can be applied to glass substrates to prepare surfaces that are superhydrophobic and transparent.

Original language	English
Pages (from-to)	3260-3263
Number of pages	4
Journal	Langmuir
Volume	25
Issue number	5
DOIs	https://doi.org/10.1021/la8040715
Publication status	Published - Mar 3 2009
Externally published	Yes

ASJC Scopus Subject Areas

General Materials Science
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la8040715

Cite this

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AU - Ling, Xing Yi

AU - Phang, In Yee

AU - Vancso, G. Julius

AU - Huskens, Jurriaan

AU - Reinhoudt, David N.

PY - 2009/3/3

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AB - A superhydrophobic surface with a static water contact angle (θw) > 150° was created by a simple "dip- coating" method of 60-nm SiO2 nanoparticles onto an amine-terminated (NH2) self-assembled monolayer (SAM) glass/silicon oxide substrate, followed by chemical vapor deposition of a fluorinated adsorbate. For comparison, a close-packed nanoparticle film, formed by convective assembly, gave θw ∼ 120°. The stability of the superhydrophobic coating was enhanced by sintering of the nanoparticles in an O2 environment at high temperature (1100 °C). A sliding angle of <5° indicated the self-cleaning properties of the surface. The dip-coating method can be applied to glass substrates to prepare surfaces that are superhydrophobic and transparent.

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Stable and transparent superhydrophobic nanoparticle films

Abstract

ASJC Scopus Subject Areas

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