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Related Experiment Video

Updated: Feb 15, 2026

A Method to Manipulate Surface Tension of a Liquid Metal via Surface Oxidation and Reduction

A Method to Manipulate Surface Tension of a Liquid Metal via Surface Oxidation and Reduction

Published on: January 26, 2016

Surface Functionalization for a Nontextured Liquid-Infused Surface with Enhanced Lifetime.

Chi Zhang¹, Yanfeng Xia¹, Huan Zhang¹

¹Department of Polymer Engineering, University of Akron , Akron, Ohio 44325, United States.

ACS Applied Materials & Interfaces

|January 20, 2018

Summary

Researchers developed a new method to make liquid-infused surfaces (LISs) last longer. By grafting polydimethylsiloxane (PDMS) to surfaces, lubricants stay put, improving self-cleaning properties and durability for real-world applications.

Keywords:

controlled wetting liquid-infused surface self-cleaning slippery surface

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Last Updated: Feb 15, 2026

A Method to Manipulate Surface Tension of a Liquid Metal via Surface Oxidation and Reduction

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Visualization of High Speed Liquid Jet Impaction on a Moving Surface

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Area of Science:

Materials Science
Surface Chemistry

Background:

Liquid-infused surfaces (LISs) offer advanced self-cleaning properties.
A key limitation of LISs is lubricant drainage, reducing their longevity.

Purpose of the Study:

To develop a surface functionalization strategy to enhance lubricant retention on LISs.
To improve the durability and lifespan of LISs for practical applications.

Main Methods:

Grafting a polydimethylsiloxane (PDMS) layer onto surfaces to compatibilize the lubricant and surface.
Investigating the effect of PDMS molecular weight on lubricant stability.
Evaluating the strategy on both flat and textured surfaces.

Main Results:

The PDMS grafting successfully stabilized a layer of silicone oil, preventing lubricant wash-off.
A stable liquid layer was achieved even on non-textured surfaces.
The functionalization strategy demonstrated enhanced longevity for LISs on both flat and textured substrates.

Conclusions:

Surface functionalization with PDMS is a promising approach to significantly improve the longevity of liquid-infused surfaces.
This method enhances lubricant stability, overcoming a major challenge for LISs in real-world applications.