Effect of Surface Roughness and Electrostatic Surface Potentials on Forces Between Dissimilar Surfaces in Aqueous Solution

被引：60

作者：

Valtiner, Markus ^{[1
]}

Kristiansen, Kai ^{[1
]}

Greene, George W. ^{[1
]}

Israelachvili, Jacob N. ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Chem Engn, Santa Barbara, CA 93106 USA

来源：

ADVANCED MATERIALS | 2011年 / 23卷 / 20期

基金：

美国国家科学基金会;

关键词：

DOUBLE-LAYER FORCES; HYDRATION FORCES; ADHESION; FRICTION; ADSORPTION; CONTACT; FILMS; AREA;

D O I：

10.1002/adma.201003709

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The first surface force measurements under electrochemical potential control between a metal and a ceramic surface across a liquid medium (water) are reported. Our experiments also investigate and reveal how increasing levels of surface roughness and dissimilarity between the potentials of the interacting surfaces influence the strength and range of electric double layer, van der Waals, hydration, and steric forces and how this contributes to deviations from DLVO theory at small distances within aqueous solution.

引用

页码：2294 / +

页数：7

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