Published April 4, 2007 | Version v1
Journal article

PTCDA molecules on an InSb(001) surface studied with atomic force microscopy

  • 1. Research Centre for Nanometer-scale Science and Advanced Materials (NANOSAM), Faculty of Physics, Astronomy, and Applied Computer Science, Jagiellonian University, Reymonta 4, 30-059 Cracow (Poland)

Description

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

Additional details

Identifiers

DOI
10.1088/0957-4484/18/13/135302;
PII
S0957-4484(07)36185-0;

Publishing Information

Journal Title
Nanotechnology (Print)
Journal Volume
18
Journal Issue
13
Journal Page Range
p. 135302
ISSN
0957-4484