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O: Fachverband Oberflächenphysik
O 44: Poster Tuesday: Spins and Magnetism
O 44.5: Poster
Dienstag, 2. April 2019, 18:00–20:00, Poster D
On-surface chemistry of manganese corroles on Ag(111) — •Hazem Aldahhak1, Reza Kakavandi2, Mateusz Paszkiewicz2, Wolf Gero Schmidt1, Johannes V. Barth2, Timur Biktagirov1, Wolfgang Schöfberger3, Eva Rauls4, Florian Klappenberger2, and Uwe Gerstmann1 — 1Department of Physics, Paderborn University, Warburger Strasse 100, 33098 Paderborn, Germany — 2Physics Department E20, Technical University of Munich, James-Franck-Strasse 1, 85748 Garching, Germany — 3Institute of Organic Chemistry, Johannes Kepler University, Altenberger Strasse 69, 4040 Linz, Austria — 4Institutt for Matematikk og Fysikk, University of Stavanger, 4036 Stavanger, Norway.
Corroles are tetrapyrrole macrocycles with promising applications in various fields of science. Here, we present a multi-technique strategy based on density functional theory (DFT) calculations, element-specific X-ray spectroscopy techniques and in situ atomic force microscopy (AFM) to unravel the electronic ground structures and the oxidation states of the prototypical Mn-5,10,15-tris(pentafluorophenyl)corrole complexes as well as of their thermally induced derivatives adsorbed on Ag(111).
Our results, in particular the theory-assisted interpretation of Mn photoemission and absorption fine structure spectra, enable a comprehensive understanding and a deep insight into the on-surface chemistry of such complex molecular systems on the atomic-scale level.