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Ultrafast Processing of Hierarchical Nanotexture for a Transparent Superamphiphobic Coating with Extremely Low Roll-Off Angle and High Impalement Pressure

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Ultrafast Processing of Hierarchical Nanotexture for a Transparent Superamphiphobic Coating with Extremely Low Roll-Off Angle and High Impalement Pressure. / Teisala, Hannu; Geyer, Florian; Haapanen, Janne; Juuti, Paxton; Mäkelä, Jyrki M.; Vollmer, Doris; Butt, Hans Jürgen.

julkaisussa: Advanced Materials, Vuosikerta 30, Nro 14, 1706529, 2018.

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Teisala, Hannu ; Geyer, Florian ; Haapanen, Janne ; Juuti, Paxton ; Mäkelä, Jyrki M. ; Vollmer, Doris ; Butt, Hans Jürgen. / Ultrafast Processing of Hierarchical Nanotexture for a Transparent Superamphiphobic Coating with Extremely Low Roll-Off Angle and High Impalement Pressure. Julkaisussa: Advanced Materials. 2018 ; Vuosikerta 30, Nro 14.

Bibtex - Lataa

@article{9b5b9e329e3947cd9140d8ffa3f9c5cd,
title = "Ultrafast Processing of Hierarchical Nanotexture for a Transparent Superamphiphobic Coating with Extremely Low Roll-Off Angle and High Impalement Pressure",
abstract = "Low roll-off angle, high impalement pressure, and mechanical robustness are key requirements for super-liquid-repellent surfaces to realize their potential in applications ranging from gas exchange membranes to protective and self-cleaning materials. Achieving these properties is still a challenge with superamphiphobic surfaces, which can repel both water and low-surface-tension liquids. In addition, fabrication procedures of superamphiphobic surfaces are typically slow and expensive. Here, by making use of liquid flame spray, a silicon dioxide-titanium dioxide nanostructured coating is fabricated at a high velocity up to 0.8 m s-1. After fluorosilanization, the coating is superamphiphobic with excellent transparency and an extremely low roll-off angle; 10 μL drops of n-hexadecane roll off the surface at inclination angles even below 1°. Falling drops bounce off when impacting from a height of 50 cm, demonstrating the high impalement pressure of the coating. The extraordinary properties are due to a pronounced hierarchical nanotexture of the coating.",
keywords = "Omniphobic, Spray coating, Superhydrophobic, Superoleophobic, Wetting",
author = "Hannu Teisala and Florian Geyer and Janne Haapanen and Paxton Juuti and M{\"a}kel{\"a}, {Jyrki M.} and Doris Vollmer and Butt, {Hans J{\"u}rgen}",
note = "EXT={"}Teisala, Hannu{"}",
year = "2018",
doi = "10.1002/adma.201706529",
language = "English",
volume = "30",
journal = "Advanced Materials",
issn = "0935-9648",
publisher = "WILEY-V C H VERLAG GMBH",
number = "14",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Ultrafast Processing of Hierarchical Nanotexture for a Transparent Superamphiphobic Coating with Extremely Low Roll-Off Angle and High Impalement Pressure

AU - Teisala, Hannu

AU - Geyer, Florian

AU - Haapanen, Janne

AU - Juuti, Paxton

AU - Mäkelä, Jyrki M.

AU - Vollmer, Doris

AU - Butt, Hans Jürgen

N1 - EXT="Teisala, Hannu"

PY - 2018

Y1 - 2018

N2 - Low roll-off angle, high impalement pressure, and mechanical robustness are key requirements for super-liquid-repellent surfaces to realize their potential in applications ranging from gas exchange membranes to protective and self-cleaning materials. Achieving these properties is still a challenge with superamphiphobic surfaces, which can repel both water and low-surface-tension liquids. In addition, fabrication procedures of superamphiphobic surfaces are typically slow and expensive. Here, by making use of liquid flame spray, a silicon dioxide-titanium dioxide nanostructured coating is fabricated at a high velocity up to 0.8 m s-1. After fluorosilanization, the coating is superamphiphobic with excellent transparency and an extremely low roll-off angle; 10 μL drops of n-hexadecane roll off the surface at inclination angles even below 1°. Falling drops bounce off when impacting from a height of 50 cm, demonstrating the high impalement pressure of the coating. The extraordinary properties are due to a pronounced hierarchical nanotexture of the coating.

AB - Low roll-off angle, high impalement pressure, and mechanical robustness are key requirements for super-liquid-repellent surfaces to realize their potential in applications ranging from gas exchange membranes to protective and self-cleaning materials. Achieving these properties is still a challenge with superamphiphobic surfaces, which can repel both water and low-surface-tension liquids. In addition, fabrication procedures of superamphiphobic surfaces are typically slow and expensive. Here, by making use of liquid flame spray, a silicon dioxide-titanium dioxide nanostructured coating is fabricated at a high velocity up to 0.8 m s-1. After fluorosilanization, the coating is superamphiphobic with excellent transparency and an extremely low roll-off angle; 10 μL drops of n-hexadecane roll off the surface at inclination angles even below 1°. Falling drops bounce off when impacting from a height of 50 cm, demonstrating the high impalement pressure of the coating. The extraordinary properties are due to a pronounced hierarchical nanotexture of the coating.

KW - Omniphobic

KW - Spray coating

KW - Superhydrophobic

KW - Superoleophobic

KW - Wetting

U2 - 10.1002/adma.201706529

DO - 10.1002/adma.201706529

M3 - Article

VL - 30

JO - Advanced Materials

JF - Advanced Materials

SN - 0935-9648

IS - 14

M1 - 1706529

ER -