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Related Experiment Video

Updated: May 20, 2025

Rendering SiO2/Si Surfaces Omniphobic by Carving Gas-Entrapping Microtextures Comprising Reentrant and Doubly Reentrant Cavities or Pillars
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Biomimetic Superwetting Phenomena for Antifogging Surfaces.

Zhengyuan Li1,2,3, Yizhe Liu1,4, Yang Wu1,4,2

  • 1State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, Gansu 730000, People's Republic of China.

Langmuir : the ACS Journal of Surfaces and Colloids
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Summary

Superwetting coatings offer advanced solutions for fogging on transparent surfaces. This review highlights biomimetic superhydrophobic and superhydrophilic antifogging materials, discussing their mechanisms, fabrication, and future potential.

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Area of Science:

  • Materials Science
  • Surface Chemistry
  • Nanotechnology

Background:

  • Fog formation on transparent surfaces degrades visibility and poses safety risks.
  • Antifogging coatings are crucial for maintaining visual clarity and safety.
  • Biomimetic superwetting coatings have emerged as a promising technology for fog mitigation.

Purpose of the Study:

  • To review recent advancements in superwetting antifogging coatings.
  • To discuss the mechanisms, design, and fabrication of these materials.
  • To provide a future outlook on antifogging coating technology.

Main Methods:

  • Overview of biomimetic superhydrophobic surfaces.
  • Discussion of superhydrophilic antifogging coatings.
  • Exploration of amphiphilic and heat-assisted antifogging surfaces (photothermal, electrothermal).

Main Results:

  • Superwetting surfaces effectively prevent fog formation through various mechanisms.
  • Diverse material systems and fabrication methods for antifogging coatings are presented.
  • Progress in functional, durable, and available antifogging solutions is detailed.

Conclusions:

  • Superwetting coatings represent a significant advancement in antifogging technology.
  • Further research is needed to enhance functionality, durability, and scalability.
  • Biomimetic approaches offer innovative pathways for next-generation antifogging solutions.