scholarly journals Self-Assembly of Metallo-Supramolecules under Kinetic or Thermodynamic Control: Characterization of Positional Isomers Using Scanning Tunneling Spectroscopy

2020 ◽  
Author(s):  
Lei Wang ◽  
Bo Song ◽  
Yiming Li ◽  
Lele Gong ◽  
Xin Jiang ◽  
...  
Keyword(s):  
Self Assembly ◽  
Scanning Tunneling Spectroscopy ◽  
Tunneling Spectroscopy ◽  
Scanning Tunneling ◽  
Positional Isomers ◽  
Thermodynamic Control

scholarly journals Extended iron phthalocyanine islands self-assembled on a Ge(001):H surface

2021 ◽  
Vol 12 ◽  
pp. 232-241
Author(s):  
Rafal Zuzak ◽  
Marek Szymonski ◽  
Szymon Godlewski
Keyword(s):  
Detailed Analysis ◽  
Self Assembly ◽  
Surface Defects ◽  
Scanning Tunneling Spectroscopy ◽  
Tunneling Spectroscopy ◽  
Scanning Tunneling ◽  
Iron Phthalocyanine ◽  
Germanium Surface ◽  
Self Assembled

Self-assembly of iron(II) phthalocyanine (FePc) molecules on a Ge(001):H surface results in monolayer islands extending over hundreds of nanometers and comprising upright-oriented entities. Scanning tunneling spectroscopy reveals a transport gap of 2.70 eV in agreement with other reports regarding isolated FePc molecules. Detailed analysis of single FePc molecules trapped at surface defects indicates that the molecules stay intact upon adsorption and can be manipulated away from surface defects onto a perfectly hydrogenated surface. This allows for their isolation from the germanium surface.

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