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Updated: Jun 7, 2026

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Published on: August 15, 2018

Superhydrophobic surfaces by hybrid raspberry-like particles.

Maria D'Acunzi¹, Lena Mammen, Maninderjit Singh

¹Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.

Faraday Discussions

|November 4, 2010

Summary

Researchers developed hybrid raspberry-like particles and a method for creating mechanically stable superhydrophobic films. This surface engineering approach enhances water repellency through controlled roughness on multiple scales.

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Area of Science:

Materials Science
Surface Chemistry
Nanotechnology

Background:

Surface roughness at multiple length scales is crucial for achieving superhydrophobic properties.
Existing methods for creating superhydrophobic surfaces often lack mechanical stability.

Purpose of the Study:

To develop an improved synthesis for hybrid raspberry-like particles.
To establish a novel method for producing mechanically stable superhydrophobic films.

Main Methods:

Synthesized hybrid particles by decorating polystyrene spheres with silica colloids.
Coated particles with a silica shell to enhance mechanical resistance.
Formed films using dip coating (monolayers) and drop casting (multilayers).
Utilized tetrahydrofuran vapor for inter-particle polystyrene bridging and plasma cleaning to remove excess polystyrene.

Main Results:

Achieved tunable surface roughness on multiple length scales.
Created superhydrophobic films with good mechanical stability.
Demonstrated control over particle morphology and film structure.
Successfully hydrophobized films via silanization with a semi-fluorinated silane.

Conclusions:

The developed method allows for predictable synthesis of raspberry-like particles.
The resulting films exhibit excellent superhydrophobicity and mechanical robustness.
This approach offers a versatile platform for designing advanced functional surfaces.