期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 326, 期 2, 页码 471-477出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2008.06.044
关键词
superhydrophobic; contact angle; sliding angle; free energy; energy wall; hysteresis; cavity
Some microtextured surfaces strongly repel water. In particular, surfaces with contact angle (CA) higher than 150 degrees are called superhydrophobic surfaces and many studies to obtain such surfaces have been reported. However, none of them could be a guide to achieve superhydrophobicity and the thermodynamic mechanisms are not well understood. In this study, two types of 3-D models-pillar-textured surfaces and cavity surfaces-were selected and thermodynamically analyzed focusing on the surface free energy. By calculations, equilibrium CA, free energy wall (FEW), and CA hysteresis are obtained. Based on these calculations, the factors to determine the sliding angle are indicated. Additionally, based on these results, one example of the optimal geometry for superhydrophobic surfaces is proposed. (c) 2008 Elsevier Inc. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据