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Manipulating Double-Decker Molecules at the Liquid-Solid Interface
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DOI：10.1021/ja105421k.png)
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Abstract
En 中文
We have used a scanning tunneling microscope (STM) to manipulate heteroleptic phthalocyaninato, naphthalocyaninato, and porphyrinato double-decker (DD) molecules at the liquid-solid interface between 1-phenyloctane solvent and graphite. We employed nanografting of phthalocyanines with eight octyl chains to place these molecules into a matrix of heteroleptic DD molecules; the overlayer structure is epitaxial on graphite. We have also used nanografting to place DD molecules in matrices of single-layer phthalocyanines with octyl chains. Rectangular scans with a STM at low bias voltage resulted in the removal of the adsorbed DD molecular layer and substituted the DD molecules with bilayer-stacked phthalocyanines from phenyloctane solution. Single heteroleptic DD molecules with lutetium sandwiched between naphthalocyanine and octaethylporphyrin were decomposed with voltage pulses from the probe tip; the top octaethylporphyrin ligand was removed, and the bottom naphthalocyanine ligand remained on the surface. A domain of decomposed molecules was formed within the DD molecular domain, and the boundary of the decomposed molecular domain self-cured to become rectangular. We demonstrated a molecular sliding block puzzle with cascades of DD molecules on the graphite surface.
Keywords:
SCANNING-TUNNELING-MICROSCOPY
SELF-ASSEMBLED MONOLAYERS
RARE EARTH(III) COMPLEXES
SINGLE-MOLECULE
OCTAETHYLPORPHYRINATO LIGANDS
MIXED 2,3-NAPHTHALOCYANINATO
ELECTRON-TRANSFER
AU(111) SURFACE
ROTORS
TIP
Journal
IF:
15.6
Papers:
20.0W
Citations:
60.2W
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