Influence of the evaporation rate on the packing order of polydisperse latex monofilms

被引：103

作者：

Rakers, S ^{[1
]}

Chi, LF ^{[1
]}

Fuchs, H ^{[1
]}

机构：

[1] Univ Munster, Inst Phys, D-4400 Munster, Germany

来源：

LANGMUIR | 1997年 / 13卷 / 26期

关键词：

D O I：

10.1021/la970757c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new strategy to create well-ordered latex particle monofilms from polydisperse latex solutions was developed. Due to size-dependent segregation, the spherical particles assemble in grains with a uniform sphere size within each grain. The size-dependent segregation process can be deduced from the action of a single force, the lateral capillary force. A strong temperature dependence can be observed, and the process becomes evident when the substrate is cooled. The samples are characterized by scanning force microscopy. Finally, to prove the theoretical model, a computer simulation is performed, supporting the experimental results.

引用

收藏

页码：7121 / 7124

页数：4

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