Template-directed assembly on an ordered microsphere array

被引：26

作者：

Grego, S ^{[1
]}

Jarvis, TW ^{[1
]}

Stoner, BR ^{[1
]}

Lewis, JS ^{[1
]}

机构：

[1] RTI Int, Res Triangle Pk, NC 27709 USA

来源：

LANGMUIR | 2005年 / 21卷 / 11期

关键词：

D O I：

10.1021/la0468850

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We investigated the capability of an ordered array of microspheres to act as a template for deposition and ordering of a subsequent layer of microspheres. An evaporation-based technique was used to deposit monolayers of large colloidal spheres. A novel technique for selective deposition of polyelectrolyte film was used to stabilize the arrays and optimize the bead- substrate interaction. The template behavior of face-centered cubic and body-centered cubic (bcc) microsphere arrays was studied by optical and scanning electron microscopy, and the packing geometry was found to have a dramatic effect on the arrangement of the subsequent layer. A geometrical interpretation of the experimental data explains why a bcc bead array is well suited to act as a template for an additional layer of microspheres.

引用

页码：4971 / 4975

页数：5