Femtosecond laser composite manufactured double-bionic micro–nano structure for efficient photothermal anti-icing/deicing

Xuan, Sensen; Yin, Huan; Li, Guoqiang; Yang, Yi; Wang, Yuan; Liu, Jiasong; Liu, Senyun; Li, Xiaohong; Song, Yuegan; Wu, Tingni; Yin, Kai

doi:10.1039/d4mh00500g

Mater. Horiz.

2024

DOI: 10.1039/d4mh00500g

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Femtosecond laser composite manufactured double-bionic micro–nano structure for efficient photothermal anti-icing/deicing

Sensen Xuan,

Huan Yin,

Guoqiang Li

et al.

Abstract: A micro–nano hollow composite film (MNHF) was endowed with remarkable photothermal conversion efficiency and ice-phobic properties by a double-bionic structure under a low content of photothermal material, featuring efficient anti-icing/deicing.

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Cited by 2 publications

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Micro/Nano Hierarchical Crater‐Like Structure Surface With Mechanical Durability and Low‐Adhesion for Anti‐Icing/Deicing

Xuan,

Zhuo,

et al. 2024

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Superhydrophobic surfaces have attracted significant attention for their ability to prevent ice formation and facilitate deicing without requiring external energy. However, these surfaces are often vulnerable to damage from external forces, leading to functional failure due to poor mechanical stability, which limits their widespread use. Drawing inspiration from the hierarchical groove of rose petals and the micropapillae of lotus leaves, a simple laser‐based method is proposed to create a superhydrophobic surface with a micro/nano hierarchical crater‐like structure (HCLS). To enhance the surface, boiling water treatment is applied to induce dense nanostructures, resulting in an optimal contact angle (CA) of 162° and a desirable sliding angle (SA) of 2.0°. The initial ice adhesion strength of HCLS is as low as 1.4 kPa and remains below 10 kPa even after 300 cm sandpaper abrasion. Furthermore, the HCLS demonstrates excellent mechanical durability, maintaining its performance under conditions that simulate the continuous impact of water and sand in extreme weather. This approach offers an innovative design concept that has the potential to advance the development of anti‐icing and deicing surfaces for future aircraft.

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Micro/Nano Hierarchical Crater‐Like Structure Surface With Mechanical Durability and Low‐Adhesion for Anti‐Icing/Deicing

Xuan,

Zhuo,

et al. 2024

Small

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Thermodynamic analysis of superhydrophobicity on three-dimensional hexagonal microcolumn surfaces

Wang,

Xue

et al. 2024

Physics of Fluids

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Superhydrophobic surfaces are crucial in many applications because of their unique wetting properties. The present study proposes a three-dimensional thermodynamic model, inspired by the morphologies of springtails' skin and mosquitoes' compound eyes in their natural habitats. The model uses thermodynamic principles to analyze the superhydrophobicity of hexagonal columnar microstructures on solid surfaces. From a theoretical standpoint, the variation rules of normalized free energy and normalized free energy barrier with contact angle in two distinct states of wetting were examined. It then calculated the equilibrium contact angle and contact angle hysteresis using the model. The model elucidates the effects of microcolumn height and center distance on free energy and free energy barriers, as well as the transition between composite and non-composite states. Furthermore, it provides the criterion for the transition between the two wetting states in thermodynamic analysis and theoretical equations. Additionally, observations were conducted on the surface of the rough structure. The thermodynamic analysis and theoretical equation calculations of this model facilitate the design of geometric parameters for rough surfaces. The findings provide a reference point for the design of superhydrophobic surfaces with a stable wetting state.

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Femtosecond laser composite manufactured double-bionic micro–nano structure for efficient photothermal anti-icing/deicing

Abstract: A micro–nano hollow composite film (MNHF) was endowed with remarkable photothermal conversion efficiency and ice-phobic properties by a double-bionic structure under a low content of photothermal material, featuring efficient anti-icing/deicing.

Cited by 2 publications

References 54 publications

Micro/Nano Hierarchical Crater‐Like Structure Surface With Mechanical Durability and Low‐Adhesion for Anti‐Icing/Deicing

Micro/Nano Hierarchical Crater‐Like Structure Surface With Mechanical Durability and Low‐Adhesion for Anti‐Icing/Deicing

Thermodynamic analysis of superhydrophobicity on three-dimensional hexagonal microcolumn surfaces

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