Molecular contributions to the frictional properties of fluorinated self-assembled monolayers

被引:37
作者
Kim, Hyun I. [1 ]
Koini, Thomas [1 ]
Lee, T. Randall [1 ]
Perry, Scott S. [1 ]
机构
[1] Univ Houston, Dept Chem, Houston, TX 77204 USA
关键词
self-assembled monolayers; atomic force microscopy; fluorinated molecules; boundary layer lubrication;
D O I
10.1023/A:1019119608713
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The frictional properties of self-assembled monolayers (SAMs) formed from four different species (n-octyltrichlorosilane, 1H, 1H, 2H, 2H-perfluorooctyltrichlorosilane, tridecanethiol, and 13, 13, 13-trifluorotridecanethiol) were measured on the molecular scale using atomic force microscopy (AFM). On this scale, monolayers containing partially fluorinated alkyl chains exhibited higher frictional properties than monolayers containing analogous fully hydrogenated alkyl chains. Systematic comparison of the frictional properties of these SAMs provided insight in to the molecular contributions to the frictional response.
引用
收藏
页码:137 / 140
页数:4
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