Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 94, Issue 3, Pages 485-489Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-008-4922-3
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Funding
- DFG [436RUS17/52/06]
- SMWK
- RFBR [08-02-01170]
- DFG Priority Programme [1165]
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The electronic structure and morphology of organic semiconducting cobalt-phtalocyanine (CoPc) films in situ prepared on the Au(001)-5x20 superstructure have been studied by a combination of experimental and theoretical work. The CoPc molecular film was characterized by photoemission spectroscopy (PES, valence band and core-level). The experimental results were simulated and have been explained in the framework of density functional theory (DFT) calculations. The C 1s and N 1s core level spectra were analyzed by taking into account the fact that both types of atoms have different nonequivalent positions in the molecule. And finally, the experimentally obtained electronic valence band structure of CoPc is in very good agreement with ab initio density of state results, allowing a detailed site-specific insight into the system.
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