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Updated: Dec 19, 2025

Preparation and High-temperature Anti-adhesion Behavior of a Slippery Surface on Stainless Steel

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Published on: March 29, 2018

WO₃-Based Slippery Liquid-Infused Porous Surfaces with Long-Term Stability.

Chunxia Wang¹, Yuxin Yan¹, Daming Du¹

¹School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China.

ACS Applied Materials & Interfaces

|June 9, 2020

Summary

Slippery liquid-infused porous surfaces (SLIPS) demonstrate enhanced durability and liquid repellency. Smaller tungsten oxide (WO3) nanostructures improve SLIPS stability for potential medical device applications.

Keywords:

WO3 long-term stability microstructure slippery property

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Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

Area of Science:

Materials Science
Surface Chemistry
Nanotechnology

Background:

Slippery liquid-infused porous surfaces (SLIPS) mimic natural structures like Nepenthes pitcher plants.
SLIPS offer hydrophobicity, antifouling, anti-icing, and durability for various applications.
A key challenge for SLIPS is maintaining lubricant integrity within the porous structure.

Purpose of the Study:

To develop durable tungsten oxide (WO3) nanofiber-based SLIPS.
To investigate the relationship between WO3 nanostructure properties and SLIPS performance.
To assess the stability of WO3-based SLIPS under challenging conditions.

Main Methods:

Synthesized uniform WO3 nanofiber networks on stainless steel via a one-step hydrothermal method.
Chemically modified and lubricant-infused WO3 nanofiber surfaces to create SLIPS.
Evaluated liquid repellency, anti-biofouling, and long-term stability under high shear force and water flow.

Main Results:

WO3-based SLIPS exhibited excellent liquid repellency and anti-biofouling properties.
Long-term SLIPS durability correlated with smaller WO3 nanostructure diameters and surface area.
The developed SLIPS demonstrated outstanding stability under high shear rates and water washing.

Conclusions:

WO3 nanostructure characteristics significantly influence SLIPS durability.
Optimized WO3-based SLIPS show promise for robust surface modification.
These SLIPS hold potential for future applications in medical devices requiring stable, repellent surfaces.