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

页码：S30 / S33

页数：4

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