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Multienergy Barrier Anti-/Deicing Surface with Excellent Photothermal Effect
Pengyu Zhang1, Zhiguang Guo1,2
1Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, People's Republic of China.
ACS Applied Materials & Interfaces
|January 30, 2025
Summary
This study presents a novel superhydrophobic photothermal coating for enhanced anti-icing. Combining active and passive methods, it demonstrates superior ice prevention and durability under harsh conditions.
Area of Science:
- Materials Science
- Surface Engineering
- Nanotechnology
Background:
- Passive anti-icing using superhydrophobic surfaces shows limitations.
- Developing effective active and passive anti-icing strategies is crucial.
Purpose of the Study:
- To design and prepare a photothermal anti-icing structure with multi-energy barriers.
- To combine active and passive anti-icing technologies for improved performance.
Main Methods:
- Fabrication via laser etching, hydrothermal growth of nanostructures, and chemical modification.
- Utilizing Cassie-Baxter-Wenzel transition theory for surface design.
- Characterization of superhydrophobicity (contact angle, sliding angle) and photothermal effect.
Main Results:
- Achieved a static water contact angle of 160° and sliding angle < 3.6°.
- Surface temperature increased by 25 °C over 100 s under solar irradiation.
- Demonstrated excellent durability against abrasion and sand impact, maintaining superhydrophobicity.
Conclusions:
- The designed multi-energy barrier structure significantly enhances anti-icing duration.
- The superhydrophobic photothermal coating shows high potential for anti-icing and deicing applications.
- This integrated approach offers a promising solution for preventing ice formation.
