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- Title
Potassium-doped FePc thin-film on metal surfaces: observation of different empty state occupation.
- Authors
Angelucci, Marco; Gargiani, Pierluigi; Mariani, Carlo; Betti, Maria
- Abstract
Iron-Phthalocyanine molecules deposited on the Cu(119) vicinal surface form molecular chains along the vicinal surface steps, as deduced by the low-energy electron diffraction (LEED) reconstruction pattern. The work-function lowers at the FePc single-layer completion, due to the formation of an interface dipole. Further FePc deposition induces a different growth morphology, as suggested by the slope discontinuity in the work function variation. Upon depositing potassium onto the FePc thin-film prepared on Cu(119), the K-injected electrons fill up the Fe-d-associated and ligand-π-related orbitals, as observed by means of high-resolution ultraviolet photoelectron spectroscopy.
- Subjects
POTASSIUM; METALLIC surfaces; DOPING agents (Chemistry); PHOTOELECTRON spectroscopy; PHTHALOCYANINES; BIOLOGICAL interfaces; PHOTOEMISSION; COPPER
- Publication
Journal of Nanoparticle Research, 2011, Vol 13, Issue 11, p5967
- ISSN
1388-0764
- Publication type
Article
- DOI
10.1007/s11051-010-0202-1