Conformation selective assembly of carboxyphenyl substituted porphyrins on Au (111)

J Chem Phys. 2004 Dec 15;121(23):11993-7. doi: 10.1063/1.1819877.

Abstract

The selective assembly of carboxyphenyl substituted porphyrins on the Au (111) surface has been studied using scanning tunneling microscopy. We find that conformational isomers of the porphyrins are induced upon adsorption and are selectively assembled into hydrogen-bonded supramolecular clusters or wires on the surface. The conformation selective assembly is attributed to the coplanar intermolecular interactions between hydrogen-bonded carboxyphenyl groups.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aluminum Silicates / chemistry
  • Benzoates / chemistry*
  • Crystallization
  • Dimerization
  • Gold / chemistry*
  • Hydrogen Bonding
  • Microscopy, Scanning Tunneling
  • Nanotechnology*
  • Porphyrins / chemistry*
  • Protein Conformation

Substances

  • Aluminum Silicates
  • Benzoates
  • Porphyrins
  • Gold
  • mica