A self-organized 2-dimensional bifunctional structure formed by supramolecular design

被引:165
作者
Hipps, KW [1 ]
Scudiero, L
Barlow, DE
Cooke, MP
机构
[1] Washington State Univ, Dept Chem, Pullman, WA 99164 USA
[2] Washington State Univ, Mat Sci Program, Pullman, WA 99164 USA
关键词
D O I
10.1021/ja017561q
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The production of a novel two-dimensional bimolecular surface structure using weak noncovalent interactions is demonstrated and observed by scanning tunneling microscopy. This work follows the three-dimensional (3D) ideas of crystal engineering and applies the concepts of supramolecular synthons to molecular systems constrained to 2D by physisorption on a conducting surface. We demonstrate a well-ordered planar structure that self-assembles through the influence of fluorine-phenyl interactions. This study provides a concrete example of the "bottom up" construction of nanostructures and of the systematic design of self-organized layers. To our knowledge, this is the first in a new class of fully 2D materials based both upon weak intermolecular interactions and upon image charges and weak interactions associated with adsorption on metal surfaces. Copyright © 2002 American Chemical Society.
引用
收藏
页码:2126 / 2127
页数:2
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