Optimization of Super-Hydrophobic Property by Two-Step Surface Modification

被引：4
|
作者：
Choi, Jaewoong [1 ]
Kwon, Ji-Seon [2 ]
Lee, Chang-Hyun [2 ]
Bae, Kang [3 ]
Sohn, Sunyoung [4 ]
Kim, Hwa-Min [1 ]
机构：
[1] Daegu Catholic Univ, Dept Adv Mat & Chem Engn, Gyongsan 38430, South Korea
[2] Daegu Catholic Univ, Dept Elect & Elect Engn, Gyongsan 38430, South Korea
[3] Mijutech Co Ltd, Daegu 42921, South Korea
[4] Pohang Univ Sci & Technol, Dept Creat IT Engn, Pohang 37673, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2019年 / 19卷 / 11期
基金：
新加坡国家研究基金会;
关键词：
Super-Hydrophobic; Water Contact Angle; Potassium Hydroxide; Lauric Acid; Self-Cleaning; SUPERHYDROPHOBIC SURFACES; FABRICATION; ROUGHNESS; ALLOYS; LAYER; FILMS;
D O I：
10.1166/jnn.2019.16631
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The super-hydrophobic surface can be used in anti-pollution, self-cleaning, and anti-corrosive properties. Two-step surface treatment process on Al-coated glass was conducted by surface etching using potassium hydroxide (KOH) and surface coating using lauric acid for super-hydrophobic surface. The KOH-etched Al surface (1st etching) was changed to a hydrophilic property with a water contact angle (WCA) of 68 degrees to 48 degrees. On the other hand, the WCA of the etched Al surface was changed to about 153 degrees with super-hydrophobic property when the lauric acid coating (2nd coating) was applied on the KOH-etched Al surface for 30 minutes. We found that the hydrophobicity of Al surface was related to the roughness by surface modification as well as the Al film thickness by sputtering method.
引用
收藏
页码：7192 / 7197
页数：6
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