| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5368966 | Applied Surface Science | 2009 | 4 Pages |
Abstract
We report the direct observation of 1D and 2D nanostructures of cobalt dipyrromethene trimer complexes adsorbed on a highly oriented pyrolytic graphite surface using scanning tunneling microscopy (STM). STM images showed two types of ordered structures coexisting on the surface: long 1D molecular chains isolated on the terraces, and 2D hexagonal patterns confined by a 1D chain and/or a graphite step edge. These 1D and 2D structures are attributed to 'edge-on' and 'face-on' complex alignments on the surface, respectively. In both configurations, substrate-mediated molecule-molecule interactions may play a significant role in stabilizing the nanostructures.
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Authors
S.B. Son, S.J. Lee, J.R. Hahn, L. Ma, J.-Y. Shin, D. Dolphin,