Berlin 2024 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 31: Poster: Organic Molecules on Inorganic Substrates
O 31.5: Poster
Dienstag, 19. März 2024, 18:00–20:00, Poster C
A Detailed Look at the Self-Assembly of 1,4-Benzoquinone on Ag(111) — Hendrik Tamm1, •Lorenz Brill1, Christoph Wachter2, Oliver T. Hofmann2, Roman Forker1, and Torsten Fritz1 — 1Friedrich Schiller University Jena, Institute of Solid State Physics, Helmholtzweg 5, 07743 Jena, Germany. — 2Graz University of Technology, Institute of Solid State Physics, NAWI Graz, Petersgasse 16/II, 8010 Graz, Austria.
Since many material properties are closely linked to its structure, understanding the structure formation is imperative when trying to engineer new materials. However, many competing effects impact the final structure formation, complicating accurate predictions. Here, we investigate 1,4-benzoquinone on Ag(111) and use CO-functionalized scanning probe microscopy in conjunction with density functional theory calculations to reveal the non-intuitive, tilted adsorption of the molecules. While the self-assembly of 1,4-benzoquinone on Ag(111) has been studied previously, our study provides additional clarification and insights into its structure that were inaccessible at that time.
Keywords: Scanning probe microscopy; Density functional theory; self-assembly