Title: Self-assembly of tetrathiafulvalene derivatives at a liquid/solid interface - compositional and constitutional influence on supramolecular ordering
Authors: Abdel-Mottaleb, MMS ×
Gomar-Nadal, E
Surin, M
Uji-I, Hiroshi
Mamdouh, W
Veciana, J
Lemaur, V
Rovira, C
Cornil, J
Lazzaroni, R
Amabilino, DB
De Feyter, Steven
De Schryver, Frans #
Issue Date: Nov-2005
Publisher: Royal Society of Chemistry
Series Title: Journal of Materials Chemistry vol:15 issue:43 pages:4601-4615
Abstract: The self-assembly of a series of tetrathiafulvalene (TTF) derivatives at the interface between non-volatile organic solutions and the graphite surface has been studied by scanning tunnelling microscopy (STM). The TTFs have been prepared such that they bear none, one, two (in different constitutions) or four alkyl chains of different lengths and different functional groups. The STM images reveal that the packing of the TTF cores can effectively be controlled by changing the substitution pattern on the heterocycle. Several structures are seen at the interphase - parquet-type packing, single and double core tapes, and even isolated molecules - all of which have the TTF core essentially coplanar with the surface. Molecular modelling has shown that several orientations of the molecules are practically equal in energy on the graphite, which explains the polymorphous packing of some of the molecules. Solvent effects also play a role in determining the 2D structures.
ISSN: 0959-9428
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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