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

Authors
  • Hipps, K W
  • Scudiero, Louis
  • Barlow, Dan E
  • Cooke, Manning P Jr
Type
Published Article
Journal
Journal of the American Chemical Society
Publication Date
Mar 13, 2002
Volume
124
Issue
10
Pages
2126–2127
Identifiers
PMID: 11878961
Source
Medline
License
Unknown

Abstract

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.

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