Molecular aggregation state of n-octadecyltrichlorosilane monolayer prepared at an air/water interface

被引：85

作者：

Kojio, K ^{[1
]}

Ge, SR ^{[1
]}

Takahara, A ^{[1
]}

Kajiyama, T ^{[1
]}

机构：

[1] Kyushu Univ, Dept Mat Phys & Chem, Grad Sch Engn, Higashi Ku, Fukuoka 8128581, Japan

来源：

LANGMUIR | 1998年 / 14卷 / 05期

关键词：

D O I：

10.1021/la970040p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Molecular arrangement of polymerized n-octadecyltrichlorosilane (OTS, CH3(CH2)(17)SiCL3) monolayer transferred onto hydrophilic substrate by an upward drawing method was investigated with a transmission electron microscope (TEM) and an atomic force microscope(AFM). The electron diffraction (ED) pattern of the OTS monolayer revealed that the OTS molecules were regularly arranged in a hexagonal array with a (10) spacing of ca. 0.42 nm. The high-resolution AFM image of the OTS monolayer in a scan area of 10 x 10 nm(2) exhibited the individual methyl group of which packing was a hexagonal array in a similar molecular arrangement concluded on the basis of the ED study. Also, the point defect in the crystalline OTS monolayer was successfully observed for the first time.

引用

页码：971 / 974

页数：4

共 19 条

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