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Related Experiment Video

Updated: Apr 11, 2026

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

Robust liquid-infused surfaces through patterned wettability.

Jason S Wexler¹, Abigail Grosskopf, Melissa Chow

¹Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, USA. hastone@princeton.edu.

|May 28, 2015

Summary

This summary is machine-generated.

Chemically patterned sacrificial regions prevent liquid loss from liquid-infused surfaces, maintaining their unique properties against gravity or external flow. These scalable patterns enhance surface durability and performance.

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Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces

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Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces

Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces

Published on: December 18, 2018

Area of Science:

Materials Science
Surface Chemistry

Background:

Liquid-infused surfaces offer unique properties similar to superhydrophobic surfaces.
A key challenge is preventing the infused liquid from draining, which compromises surface functionality.

Purpose of the Study:

To investigate methods for preventing liquid drainage from liquid-infused surfaces.
To explore the use of chemical patterning to enhance surface durability.

Main Methods:

Utilizing chemical patterning to create regions preferentially wetted by external fluids.
Employing spray-coating and deep-UV exposure for pattern fabrication.
Analyzing the effect of pattern periodicity on liquid retention.

Main Results:

Chemically patterned sacrificial regions effectively disrupt liquid continuity, preventing drainage.
Optimized pattern periodicity can completely inhibit liquid loss due to gravity or flow.
Spray-coating and deep-UV exposure are scalable techniques for creating these failure-resistant surfaces.

Conclusions:

Chemical patterning offers a robust strategy to prevent liquid drainage in liquid-infused surfaces.
This approach significantly enhances the longevity and reliability of these advanced materials.
Facile and scalable fabrication methods enable practical applications of failure-resistant liquid-infused surfaces.