A Durable and Self-Cleaning Superhydrophobic Surface Prepared by Precipitating Flower-Like Crystals on a Glass-Ceramic Surface

被引：17

作者：

Fu, Haiqing ^{[1
,2
,3
]}

Liu, Shuo ^{[1
,3
]}

Yi, Lanlin ^{[1
,2
,3
]}

Jiang, Hong ^{[1
,2
,3
]}

Li, Changjiu ^{[1
,2
,3
]}

Chen, Yongjun ^{[2
,3
]}

机构：

[1] Special Glass Key Lab Hainan Prov, Haikou 570228, Hainan, Peoples R China

[2] Hainan Univ, State Key Lab Marine Resource Utilizat South Chin, Haikou 570228, Hainan, Peoples R China

[3] Hainan Univ, Coll Mat Sci & Engn, Haikou 570228, Hainan, Peoples R China

来源：

MATERIALS | 2020年 / 13卷 / 07期

关键词：

glass-ceramic; crystallization; dual-scale roughness; superhydrophobic; durable; self-cleaning; NANOSECOND LASER; TRANSPARENT; CRYSTALLIZATION; FABRICATION; RESISTANCE; COATINGS;

D O I：

10.3390/ma13071642

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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 degrees +/- 0.1 degrees and a sliding angle (SA) of 2 degrees 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.

引用

页数：13

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