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- Title
A Durable and Self-Cleaning Superhydrophobic Surface Prepared by Precipitating Flower-Like Crystals on a Glass-Ceramic Surface.
- Authors
Fu, Haiqing; Liu, Shuo; Yi, Lanlin; Jiang, Hong; Li, Changjiu; Chen, Yongjun
- Abstract
Herein, a superhydrophobic surface with superior durability was fabricated on a glass-ceramic surface by crystallization, hydrofluoric acid (HF) etching, and surface grafting. The as-prepared glass-ceramic surface was composed of three-dimensional flower-like micro-clusters, which were self-assembled from numerous nanosheets. Such a dual-scale rough surface exhibited superhydrophobicity, with a water contact angle (WCA) of 170.3° ± 0.1° and a sliding angle (SA) of ~2° after grafting with 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FAS-17). This can be attributed to the synergistic effect between the dual-scale structure and surface chemistry. Furthermore, this surface exhibited excellent self-cleaning properties, stability against strong acid and strong alkali corrosion, and anti-stripping properties.
- Subjects
SUPERHYDROPHOBIC surfaces; CRYSTAL surfaces; HYDROFLUORIC acid; SURFACE chemistry; CONTACT angle; ROUGH surfaces; GLASS-ceramics
- Publication
Materials (1996-1944), 2020, Vol 13, Issue 7, p1642
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma13071642