Regensburg 2019 – wissenschaftliches Programm

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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 Gerstmann11Department 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.

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