Regensburg 2025 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 17: Poster Focus Session Molecular Nanostructures on Surfaces: On-Surface Synthesis and Single-Molecule Manipulation
O 17.9: Poster
Montag, 17. März 2025, 18:00–20:00, P2
Adsorption behavior of organoboroxine and organoborthiine based molecules on Au(111) — •Natasha Khera1, Franz Plate1, Karen Marlenne Garcia Alvarez2, Suchetana Sarkar1, Andreas Schneemann2, and Francesca Moresco1 — 1Center for Advancing Electronics Dresden, TU Dresden, 01062 Dresden, Germany — 2Inorganic Chemistry I, TU Dresden, 01069 Dresden, Germany
In this study, we investigate the adsorption behavior of organoboroxine and organoborthiine based molecules on Au (111) surface, employing low temperature scanning tunneling microscopy (LT-STM) and spectroscopy in ultra-high vacuum (UHV) conditions. Organoboroxines provide a model system for constructing Covalent Organic Frameworks (COFs) and are well studied for their applications in catalysis, material science, optoelectronics and energy storage. In contrast, organoborthiines, due to their sulfur mediated interactions, hold promise, making them a compelling area for future research. In this work, a comparative analysis of the adsorption geometries, self-assembled structures and spectroscopic properties of both these molecules is presented.
Keywords: scanning tunneling microscopy; low temperature; adsorption geometry; spectroscopy