Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface

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Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface. / Eriksson, Mimmi; Tuominen, Mikko; Järn, Mikael; Claesson, Per Martin; Wallqvist, Viveca; Butt, Hans Jürgen; Vollmer, Doris; Kappl, Michael; Schoelkopf, Joachim; Gane, Patrick A.C.; Teisala, Hannu; Swerin, Agne.

In: ACS Nano, Vol. 13, No. 2, 26.02.2019, p. 2246-2252.

Research output: Contribution to journalArticle

Harvard

Eriksson, M, Tuominen, M, Järn, M, Claesson, PM, Wallqvist, V, Butt, HJ, Vollmer, D, Kappl, M, Schoelkopf, J, Gane, PAC, Teisala, H & Swerin, A 2019, 'Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface', ACS Nano, vol. 13, no. 2, pp. 2246-2252. https://doi.org/10.1021/acsnano.8b08922

APA

Eriksson, M., Tuominen, M., Järn, M., Claesson, P. M., Wallqvist, V., Butt, H. J., ... Swerin, A. (2019). Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface. ACS Nano, 13(2), 2246-2252. https://doi.org/10.1021/acsnano.8b08922

Vancouver

Eriksson M, Tuominen M, Järn M, Claesson PM, Wallqvist V, Butt HJ et al. Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface. ACS Nano. 2019 Feb 26;13(2):2246-2252. https://doi.org/10.1021/acsnano.8b08922

Author

Eriksson, Mimmi ; Tuominen, Mikko ; Järn, Mikael ; Claesson, Per Martin ; Wallqvist, Viveca ; Butt, Hans Jürgen ; Vollmer, Doris ; Kappl, Michael ; Schoelkopf, Joachim ; Gane, Patrick A.C. ; Teisala, Hannu ; Swerin, Agne. / Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface. In: ACS Nano. 2019 ; Vol. 13, No. 2. pp. 2246-2252.

Bibtex - Download

@article{23a1fbea39df43ad910afe0a1b192933,
title = "Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface",
abstract = "The formation of a bridging gas meniscus via cavitation or nanobubbles is considered the most likely origin of the submicrometer long-range attractive forces measured between hydrophobic surfaces in aqueous solution. However, the dynamics of the formation and evolution of the gas meniscus is still under debate, in particular, in the presence of a thin air layer on a superhydrophobic surface. On superhydrophobic surfaces the range can even exceed 10 μm. Here, we report microscopic images of the formation and growth of a gas meniscus during force measurements between a superhydrophobic surface and a hydrophobic microsphere immersed in water. This is achieved by combining laser scanning confocal microscopy and colloidal probe atomic force microscopy. The configuration allows determination of the volume and shape of the meniscus, together with direct calculation of the Young-Laplace capillary pressure. The long-range attractive interactions acting on separation are due to meniscus formation and volume growth as air is transported from the surface layer.",
keywords = "AFM colloidal probe, capillary forces, laser scanning confocal microscopy, superhydrophobicity, wetting, HYDROPHOBIC SURFACES, SOLID-SURFACES, ATTRACTION, FORCES, WATER, DROP",
author = "Mimmi Eriksson and Mikko Tuominen and Mikael J{\"a}rn and Claesson, {Per Martin} and Viveca Wallqvist and Butt, {Hans J{\"u}rgen} and Doris Vollmer and Michael Kappl and Joachim Schoelkopf and Gane, {Patrick A.C.} and Hannu Teisala and Agne Swerin",
year = "2019",
month = "2",
day = "26",
doi = "10.1021/acsnano.8b08922",
language = "English",
volume = "13",
pages = "2246--2252",
journal = "ACS Nano",
issn = "1936-0851",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "2",

}

RIS - Download

TY - JOUR

T1 - Direct Observation of Gas Meniscus Formation on a Superhydrophobic Surface

AU - Eriksson, Mimmi

AU - Tuominen, Mikko

AU - Järn, Mikael

AU - Claesson, Per Martin

AU - Wallqvist, Viveca

AU - Butt, Hans Jürgen

AU - Vollmer, Doris

AU - Kappl, Michael

AU - Schoelkopf, Joachim

AU - Gane, Patrick A.C.

AU - Teisala, Hannu

AU - Swerin, Agne

PY - 2019/2/26

Y1 - 2019/2/26

N2 - The formation of a bridging gas meniscus via cavitation or nanobubbles is considered the most likely origin of the submicrometer long-range attractive forces measured between hydrophobic surfaces in aqueous solution. However, the dynamics of the formation and evolution of the gas meniscus is still under debate, in particular, in the presence of a thin air layer on a superhydrophobic surface. On superhydrophobic surfaces the range can even exceed 10 μm. Here, we report microscopic images of the formation and growth of a gas meniscus during force measurements between a superhydrophobic surface and a hydrophobic microsphere immersed in water. This is achieved by combining laser scanning confocal microscopy and colloidal probe atomic force microscopy. The configuration allows determination of the volume and shape of the meniscus, together with direct calculation of the Young-Laplace capillary pressure. The long-range attractive interactions acting on separation are due to meniscus formation and volume growth as air is transported from the surface layer.

AB - The formation of a bridging gas meniscus via cavitation or nanobubbles is considered the most likely origin of the submicrometer long-range attractive forces measured between hydrophobic surfaces in aqueous solution. However, the dynamics of the formation and evolution of the gas meniscus is still under debate, in particular, in the presence of a thin air layer on a superhydrophobic surface. On superhydrophobic surfaces the range can even exceed 10 μm. Here, we report microscopic images of the formation and growth of a gas meniscus during force measurements between a superhydrophobic surface and a hydrophobic microsphere immersed in water. This is achieved by combining laser scanning confocal microscopy and colloidal probe atomic force microscopy. The configuration allows determination of the volume and shape of the meniscus, together with direct calculation of the Young-Laplace capillary pressure. The long-range attractive interactions acting on separation are due to meniscus formation and volume growth as air is transported from the surface layer.

KW - AFM colloidal probe

KW - capillary forces

KW - laser scanning confocal microscopy

KW - superhydrophobicity

KW - wetting

KW - HYDROPHOBIC SURFACES

KW - SOLID-SURFACES

KW - ATTRACTION

KW - FORCES

KW - WATER

KW - DROP

UR - http://www.scopus.com/inward/record.url?scp=85061527266&partnerID=8YFLogxK

U2 - 10.1021/acsnano.8b08922

DO - 10.1021/acsnano.8b08922

M3 - Article

VL - 13

SP - 2246

EP - 2252

JO - ACS Nano

JF - ACS Nano

SN - 1936-0851

IS - 2

ER -

ID: 32646284