SUBSTRATE DEFECTS AND VARIATIONS IN INTERFACIAL ORDERING OF MONOLAYER MOLECULAR FILMS ON GRAPHITE

被引：32
|
作者：
PATRICK, DL [1 ]
BEEBE, TP [1 ]
机构：
[1] UNIV UTAH,DEPT CHEM,SALT LAKE CITY,UT 84112
来源：
LANGMUIR | 1994年 / 10卷 / 01期
关键词：
D O I：
10.1021/la00013a044
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Scanning tunneling microscopy is used to investigate monolayer films of the liquid crystal 4'-octyl-4-biphenylcarbonitrile (8CB) deposited onto highly ordered pyrolytic graphite. These self-assembled films display a wide variety of structural forms, several of which are reported here for the first time. Nanometer-resolution images provide insight into the important molecule-molecule and molecule-substrate interactions determining film structure. The role of substrate defects in determining interfacial order is discussed, and a growth mechanism is proposed to account for the infrequent observation of certain monolayer film structures reported here.
引用
收藏
页码：298 / 302
页数：5
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