Wetting films on chemically heterogeneous substrates

被引：85

作者：

Bauer, C ^{[1
]}

Dietrich, S ^{[1
]}

机构：

[1] Berg Univ Wuppertal, Fachbereich Phys, D-42097 Wuppertal, Germany

来源：

PHYSICAL REVIEW E | 1999年 / 60卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.60.6919

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Based on a microscopic density functional theory, we investigate the morphology of thin liquidlike wetting films adsorbed on substrates endowed with well-defined chemical heterogeneities. As paradigmatic cases we focus on a single chemical step and on a single stripe. In view of applications in microfluidics, the accuracy of guiding liquids by chemical microchannels is discussed. Finally we give a general prescription of how to investigate theoretically the wetting properties of substrates with arbitrary chemical structures. [S1063-651X(99)07011-7].

引用

页码：6919 / 6941

页数：23

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