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Nucleation and growth of gold on polypyrrole investigated by quantitative XPS and STM

被引：6
作者：
Heuberger, M
Tresch, S
Dietler, G
机构：
[1] Institute of Physics, University of Fribourg, Pérolles
来源：
THIN SOLID FILMS | 1995年 / 271卷 / 1-2期
关键词：
gold; polymers; scanning tunnelling microscopy; X-ray photoelectron spectroscopy;
D O I：
10.1016/0040-6090(95)06827-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The growth of thin films of gold on doped polypyrrole was investigated using quantitative X-ray photoelectron spectroscopy (XPS) and scanning tunneling microscopy. Our analysis reveals a droplet-like growth at a constant contact angle. This behavior can be explained by the different surface energies involved and the high mobility of gold at room temperature. We demonstrate the high sensitivity of quantitative XPS for the detection of the island's shape and nucleation density.
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页码：144 / 146
页数：3
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