Self and directed colloidal assembly on patterned electrodes

被引：0

作者：

Bahukudumbi, P. ^{[1
]}

Bevan, Michael. A. ^{[1
]}

Beskok, Ali ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Engn Mech, College Stn, TX 77843 USA

来源：

Proceedings of the ASME Fluids Engineering Division | 2005年 / 261卷

关键词：

electrophoretic deposition; colloid; self-directed assembly; potential energy landscape;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Clustering of colloidal particles near an electrode surface during and after electrophoretic deposition has been reported in the literature [1, 2, 3, 4]. The aggregation of colloidal particles has made the precise assembly of two and three dimensional colloidal crystals possible. In this paper, we demonstrate the use of external electric fields to sensitively tune the interactions between colloidal particles to form ordered structures. The directed assembly of colloidal particles on patterned electrode surfaces is also investigated as a means of building three-dimensional nanostructures. Finally, a new method to map potential energy landscapes of templated substrates using a diffusing colloidal particle as a sensitive local energy probe is described.

引用

页码：299 / 303

页数：5

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