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Related Experiment Video

Updated: Oct 18, 2025

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
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Laser-Engineered Superhydrophobic Polydimethylsiloxane for Highly Efficient Water Manipulation.

Wangyang Zhang1, Weishan Yan1, Haonian Zheng1

  • 1Institute of Novel Semiconductors, State Key Laboratory of Crystal Materials, Shandong University, 27 South Shanda Road, Jinan, Shandong 250100, P. R. China.

ACS Applied Materials & Interfaces
|September 28, 2021
PubMed
Summary

Researchers developed a durable, superhydrophobic surface using laser-engineered polydimethylsiloxane (PDMS). This cost-effective material offers robust water manipulation for applications like oil/water separation and water collection.

Keywords:
laser processingmicrolens arraypolydimethylsiloxanesuperhydrophobic surfacewater manipulation

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Area of Science:

  • Materials Science
  • Surface Engineering
  • Nanotechnology

Background:

  • Superhydrophobic surfaces are crucial for efficient water management.
  • Existing methods often lack scalability, cost-effectiveness, or long-term stability.
  • Polydimethylsiloxane (PDMS) is a versatile polymer with potential for surface modification.

Purpose of the Study:

  • To develop a low-cost, high-quality, large-area superhydrophobic surface.
  • To demonstrate laser-engineered PDMS for versatile water manipulation.
  • To assess the durability and stability of the fabricated superhydrophobic surface.

Main Methods:

  • Fabrication involved patterning PDMS with arrayed microlenses.
  • A two-step process included laser pulse scanning for surface texturing.
  • Microstructural analysis identified nanostructured inorganic components.

Main Results:

  • The laser-engineered PDMS exhibited superhydrophobicity.
  • The surface demonstrated excellent chemical resistance, UV stability, and mechanical durability.
  • Water contact angles remained stable for 14 months, indicating long-term performance.

Conclusions:

  • Laser-engineered PDMS provides a scalable and durable platform for superhydrophobic surfaces.
  • The material's robust properties enable efficient water manipulation.
  • Potential applications include advanced oil/water separation and water harvesting systems.