Journal
CERAMICS INTERNATIONAL
Volume 48, Issue 6, Pages 8012-8024Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2021.12.001
Keywords
Glass; Abrasion-resistant; Armor; Hierarchical structure; Hydrothermal method
Categories
Funding
- Science and Technology Major Program of Fujian Province, China [2014HZ0005]
- Science and Technology Program of Xiamen University, China [XDHT2017415A]
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A two-step hydrothermal corrosion method has been developed to construct a micro-nano hierarchical structure on glass surface, providing a new approach for fabricating abrasion-resistant superhydrophobic glass.
When applying an additional coating method to fabricate micro-nano hierarchical structure required for superhydrophobic function on glass surface, the hierarchical structure does generally not have good abrasion resistance, due to the weak adhesion between coating and glass surface. However, glass itself is a material with good abrasion resistance. A micro-nano hierarchical structure with honeycomb-shaped micro-armor protection on glass surface by a two-step hydrothermal corrosion method has been constructed: the first step of hydrothermal corrosion in water to construct micro-armor structure, and the second step of hydrothermal corrosion in sodium citrate aqueous solution to fabricate micro-nano hierarchical structure. The advantages of this new method are: the treatment process is simple, and there is no need to apply additional coatings. The micro-nano hierarchical structure constructed on glass surface by this method has a great abrasion resistance. After 1,000 cycles of abrasion under harsh conditions, the nano-structure on glass surface can still be remained intact. It provides a new method for fabricating abrasion-resistant micro-nano hierarchical structure on glass surface, as well as a new approach to the preparation of abrasion-resistant superhydrophobic glass.
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