Linear colloidal crystal arrays by electrohydrodynamic printing

被引：19

作者：

Poon, H. F. ^{[1
]}

Saville, D. A. ^{[1
]}

Aksay, I. A. ^{[1
]}

机构：

[1] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 13期

关键词：

D O I：

10.1063/1.2990680

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We use electrohydrodynamic jets of colloidal suspensions to produce arrays of colloidal crystalline stripes on surfaces. A critical factor in maintaining a stable jet is the distance of separation between the nozzle and the surface. Colloidal crystalline stripes are produced as two wetting lines of the deployed suspension merge during drying. To ensure that the two wetting lines merge, the "deployed-line-width" to "particle size" ratio is kept below a critical value so that the capillary forces overcome the frictional forces between the particles and the substrate. (C) 2008 American Institute of Physics.

引用

页数：3

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