PREPARATION OF ORDERED COLLOID MONOLAYERS BY ELECTROPHORETIC DEPOSITION

被引：552

作者：

GIERSIG, M ^{[1
]}

MULVANEY, P ^{[1
]}

机构：

[1] HAHN MEITNER INST BERLIN GMBH,PHOTOCHEM ABT,W-1000 BERLIN 39,GERMANY

来源：

LANGMUIR | 1993年 / 9卷 / 12期

关键词：

D O I：

10.1021/la00036a014

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Citrate- and alkanethiol-stabilized gold colloids have been electrophoretically deposited onto carbon-coated copper grids. The colloid particles form ordered monolayers, and the core-to-core interparticle spacing is determined by the size of the alkane chains on the stabilizers used in the preparation of the sols. In the case of longer alkane chains, some interpenetration of the chains occurs when the gold particles form monolayers. When the gold sols are stabilized by sodium 3-thiopropionate, they can be reversibly coagulated and peptized by cycling the pH between 3 and 7. The method has also been used to form ordered monolayers and bilayers of latex particles.

引用

页码：3408 / 3413

页数：6

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