Physics of Nanodevices;
Zernike Institute for Advanced Materials;
University of Groningen;
Groningen;
The Netherlands;
Physics of Nanodevices;
Zernike Institute for Advanced Materials;
University of Groningen;
Groningen;
The Netherlands;
Kavli Institute of Nanoscience;
Delft University of Technology;
Delft;
The Netherlands;
Band; Gap; Graphene; Scanning; Tunneling; Spectroscopy; Porphyrins; π-π; Stacking;