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Assembly of Chiral Amino-Acids at Surfaces from a Single Molecule Perspective: Proline on Cu(110)

M. Forster ; M. S. Dyer ; Mats Persson (Institutionen för teknisk fysik, Material- och ytteori) ; R. Raval
Topics in catalysis (1022-5528). Vol. 54 (2011), 1-4, p. 13-19 .
[Artikel, refereegranskad vetenskaplig]

We present a molecule-by-molecule mapping of an amino-acid monolayer on a Cu(110) surface in which individual molecular configuration, bonding and adsorption footprints are identified. This detailed mapping provides direct evidence that the (4 x 2) structures of enantiopure and racemic proline are governed by a strict heterochiral adsorption footprint template. For the racemic system this has an interesting consequence, namely that it leads to a 2-D random solid solution, a situation that is rarely encountered in 3-D.

Nyckelord: Scanning tunnelling microscopy, Random solid solutions, Chiral, surfaces, Amino acids, Footprints

Denna post skapades 2011-03-31. Senast ändrad 2017-08-18.
CPL Pubid: 138451


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