In situ observation of the initial adsorption process of layer-by-layer sequential adsorbed polyelectrolyte film using an AFM

被引:7
作者
Yamada, T [1 ]
Shiratori, S [1 ]
机构
[1] Keio Univ, Dept Appl Phys & Physicoinformat, Tokyo 108, Japan
关键词
layer-by-layer; thin film; in situ; atomic force microscopy; polyelectrolytes; adsorption;
D O I
10.1002/eej.10016
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this study, we demonstrate the first observation results of the initial adsorption processes of polyelectrolytes to the substrate in solution by in situ observation using an AFM. The adsorption form of polyelectrolytes was changed by solution pH. It was found that the surface structure was controlled by adsorbing time of polyelectrolytes and strongly affected by both the previously formed under layer and the solution pH. (C) 2002 Wiley Periodicals, Inc.
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页码:1 / 7
页数:7
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