Contact angle hysteresis on rough hydrophobic surfaces

被引：221

作者：

He, B ^{[1
]}

Lee, J ^{[1
]}

Patankar, NA ^{[1
]}

机构：

[1] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2004年 / 248卷 / 1-3期

关键词：

contact angle hysteresis; advancing angle; receding angle; self-cleaning surface; lotus effect; roughness induced superhydrophobicity;

D O I：

10.1016/j.colsurfa.2004.09.006

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：

In this short note, we report a quantitative investigation of the hysteresis of the Cassie and Wenzel drops on a given rough surface. The Cassie drop shows Much less hysteresis compared to a Wenzel drop and is therefore preferred in applications involving moving droplets. The experimental measurements are compared with the various theoretical models for the apparent contact angles and recommendations are made. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：101 / 104

页数：4

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