Surface potential measurements of phase-separated alkanethiol self-assembled monolayers by non-contact atomic force microscopy

被引：30
|
作者：
Ichii, T [1 ]
Fukuma, T
Kobayashi, K
Yamada, H
Matsushige, K
机构：
[1] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan
[2] Kyoto Univ, Int Innovat Ctr, Sakyo Ku, Kyoto 6068501, Japan
来源：
NANOTECHNOLOGY | 2004年 / 15卷 / 02期
关键词：
D O I：
10.1088/0957-4484/15/2/007
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We investigated alkanethiol phase-separated self-assembled monolayers (PS-SAMs) using the Kelvin probe force microscope (KFM) combined with the non-contact atomic force microscope (NC-AFM). PS-SAMs were composed of two species of different chain-length alkanethiol. The surface potential (SP) measurements showed that the value of SP was linearly increased as a function of the chain length and that the gradient was about 9 mV per CH2 unit. In addition, we succeeded in obtaining nanometre-scale variations of the SP, which were discussed in the context of the surface structures.
引用
收藏
页码：S30 / S33
页数：4
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