From Surface‐Limited to Bulk‐Enabled Superamphiphobicity via a Self‐Similar Coating Architecture

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Publication Details

Journal
Small
Published
2026-09-01
DOI
https://doi.org/10.1002/smll.75491
Primary Topic
Diamond and Carbon-based Materials Research
Type
article
Field-Weighted Citation Impact
0.00
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article

From Surface‐Limited to Bulk‐Enabled Superamphiphobicity via a Self‐Similar Coating Architecture

Jian Gao, Huaiyuan Wang, B. Zhang, Juantao Zhang et al.
Small
Diamond and Carbon-based Materials Research
article

From Surface‐Limited to Bulk‐Enabled Superamphiphobicity via a Self‐Similar Coating Architecture

Jian Gao, Huaiyuan Wang, B. Zhang, Juantao Zhang, Jianwen Peng, Naixin Lv, Yanji Zhu, Anqing Fu, Siye Zhang, Xiang Li, Rong Wei
article en

Abstract

Superamphiphobic coatings are prone to abrupt wetting failure in high-wear environments owing to the destruction of surface micro/nano-structures, which limits their durability in practical applications. Here, a gradient self-similar structure along the coating thickness is designed and realized via spray deposition, enabling continuous distribution of functional fillers so that newly exposed interfaces during wear retain micro/nanoscale roughness and low-surface-energy chemistry similar to those of the original surface. This design converts abrupt wetting failure into a gradual and controllable degradation process, thereby achieving "bulk inheritance" of the superamphiphobic function. Consistent with this bulk-inheritance mechanism, the coating exhibits markedly enhanced wear resistance and wetting retention under severe Taber abrasion and particle impact compared with conventional surface-engineered superamphiphobic coatings. In addition, the gradient architecture provides an effective electrochemical barrier, endowing the coating with excellent corrosion protection. This work establishes a self-similar structural strategy to regulate the failure behavior of superamphiphobic coatings, offering a pathway toward durable performance in high-wear environments.

Small
Tianjin University of Science and Technology (CN), Tianjin University of Technology (CN), Tianjin University (CN), Collaborative Innovation Center of Chemical Science and Engineering Tianjin (CN), State Key Laboratory of Chemical Engineering (CN), China National Petroleum Corporation (China) (CN)
Openalex Percentile: Top 23%
Diamond and Carbon-based Materials Research
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