Structural changes in self-assembled monolayers induced by photodimerization: A scanning force microscopy investigation

被引：19
|
作者：
Fang, JY [1 ]
Chen, MS [1 ]
Shashidhar, R [1 ]
机构：
[1] USN, Res Lab, Washington, DC 20375 USA
来源：
LANGMUIR | 2001年 / 17卷 / 05期
关键词：
D O I：
10.1021/la001156f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Evidence of photodimerization induced positional order in self-assembled monolayers (SAMs) is reported. Scanning force microscopy studies of SAMs of an alkylsilane with an olefinic group on a silicon surface show that the terminal alkyl chains are initially disordered but become highly ordered upon irradiation with UV light. Development of the crystalline order in the SAMs is accompanied by changes in frictional properties.
引用
收藏
页码：1549 / 1551
页数：3
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