Exploring Wettability of Re‐Entrant Microstructures: Effects of Geometry and Material Composition
Abstract: This study systematically explores the wetting characteristics of re‐entrant microstructures, focusing on the interplay between the unique geometries and material compositions. While silicon dioxide (SiO₂) re‐entrant microstructures are previously studied, this research pioneers the fabrication of silicon carbide (SiC) re‐entrant microstructures. Through experimental approaches and theoretical analysis, the research assesses how variations in geometry and material impact wettability. Key findings reveal that SiC re‐entrant structures achieve an average contact angle of 145°, closely matching the 148° observed for SiO₂, indicating similar hydrophobic behavior. Although flat SiC surfaces exhibit higher inherent hydrophobicity than flat SiO₂ (59° vs 26° contact angle), re‐entrant geometry predominantly influences wetting behavior, overshadowing material differences. Structures with lower solid area fractions show increased hydrophobicity, with a distinct hierarchy: microlines are the least hydrophobic, followed by shark‐skin textures, rectangles, circles, and triangles. Additionally, increasing the gap size between structures enhanced hydrophobicity up to a critical point. This study paves the way for optimizing re‐entrant microstructures for specific applications, significantly enhancing the understanding of surface science and advancing material design.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Exploring Wettability of Re‐Entrant Microstructures: Effects of Geometry and Material Composition ; day:12 ; month:09 ; year:2024 ; extent:10
Advanced materials interfaces ; (12.09.2024) (gesamt 10)
- Urheber
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Vu, Hoang Huy
Nguyen, Nhat‐Khuong
Singha, Pradip
Walker, Glenn
Nguyen, Nam-Trung
Kashaninejad, Navid
- DOI
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10.1002/admi.202400626
- URN
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urn:nbn:de:101:1-2409121409120.258199617472
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:20 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Vu, Hoang Huy
- Nguyen, Nhat‐Khuong
- Singha, Pradip
- Walker, Glenn
- Nguyen, Nam-Trung
- Kashaninejad, Navid
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Tailoring re-entrant geometry in inverse colloidal monolayers to control surface wettability
Re‐Entrant Microstructures for Robust Liquid Repellent Surfaces
Droplet impact on doubly re-entrant structures
Makespan Minimization in Re-entrant Permutation Flow Shops
Design Study for Multifunctional 3D Re‐entrant Auxetics
Study on re-entrant hierarchical honeycombs in-plane impact
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Exploring Wettability of Re‐Entrant Microstructures: Effects of Geometry and Material Composition (Adv. Mater. Interfaces 35/2024)
Tailoring re-entrant geometry in inverse colloidal monolayers to control surface wettability
Re‐Entrant Microstructures for Robust Liquid Repellent Surfaces
Droplet impact on doubly re-entrant structures
Makespan Minimization in Re-entrant Permutation Flow Shops
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Study on re-entrant hierarchical honeycombs in-plane impact
Re-entrant relaxor–ferroelectric composite showing exceptional electromechanical properties
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Re-entrant bimodality in spheroidal chiral swimmers in shear flow
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