Kolodziej, J. J. and Goryl, M. and Konior, J. and Krok, F. and Szymonski, M. (2007) PTCDA molecules on an InSb(001) surface studied with atomic force microscopy. NANOTECHNOLOGY, 18 (13).
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Official URL: http://www.iop.org/EJ/abstract/0957-4484/18/13/135...
PTCDA (3,4,9,10-perylene-tetracarboxylic-dianhydride) molecular structures assembled on an InSb( 001) c( 8 x 2) reconstructed surface have been studied using frequency modulated atomic force microscopy. The high-resolution imaging of the structures is possible through repulsive interactions, using the constant height scanning mode. During initial stages of growth the [ 110] diffusion channel dominates as indicated by formation of long PTCDA molecular chains parallel to the [ 110] crystallographic direction on the InSb surface. For a single monolayer coverage a wetting layer of PTCDA is formed. Finally it is shown that the PTCDA/InSb is a promising system for building molecular nanostructures by manipulation of single molecules with the AFM tip.
|Uncontrolled Keywords:||QUASIEPITAXIAL GROWTH; GAAS(001); FILMS; PHTHALOCYANINE; SPECTROSCOPY|
|Subjects:||Analytical Science > Microscopy and probe methods|
Material Science > Functional and hybrid materials
|Deposited On:||28 Sep 2009 10:33|
|Last Modified:||28 Sep 2009 10:33|
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