Abstract
Thin films of TiOPc have been investigated using photoelectron spectroscopy (PES) and X-ray spectroscopy (XAS). The results are interpreted in terms of the local geometry around the metal center both with regard to bonding and crystal field symmetry. Core and valence PES have been found to be in accordance with the structural characteristics of the TiOPc molecule. For resonant PES at the N1s and Ti2p edges, information on the local electronic structure of the occupied molecular orbitals has been obtained. Ti2p XAS was interpreted in terms of five-fold coordination around the titanium atom for TiOPc of C 4v symmetry. Angle-resolved N1s XAS suggests the molecular planes to order preferentially parallel to the sample surface plane.
Published Version
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