BPCPPDYSOE21 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 14: Poster Session II - Complex Fluids and Perovskites

CPP 14.15: Poster

Dienstag, 23. März 2021, 16:30–18:30, CPPp

Investigation of polymer templated Silicon-Germanium hybrid materials — •Christian L. Weindl¹, Christian Fajman², Michael A. Giebel², Matthias Schwarzkopf³, Stephan V. Roth^{3, 4}, Thomas F. Fässler², and Peter Müller-Buschbaum^1,5 — ¹Technische Universität München, PhysikDepartment, Lehrstuhl für Funktionelle Materialien, James-FranckStraße 1, 85748 Garching, Germany — ²Technische Universität München, Chemie-Department, Lehrstuhl für anorganische Chemie mit Schwerpunkt Neue Materialien, Lichtenbergstr. 4, 85748 Garching, Germany — ³Deutsches Elektronen-Synchrotron DESY, Noetkestraße 85, 22607 Hamburg, Germany — ⁴Royal Institute of Technology KTH, Teknikringen 34-35, 10044 Stockholm, Sweden — ⁵Heinz Maier-Leibniz Zentrum (MLZ), Technische Universität München, Lichtenbergstr. 1, 85748 Garching, Germany

The latest research has revealed promising results for Silicon (Si) and Germanium (Ge) as anode materials for lithium-ion batteries. Owing to their high energy capacity these two semiconductors are considered auspicious alternatives to graphite anodes. In this study, we set the goal of synthesizing a porous silicon-germanium structure over a wet chemical sol-gel approach. Here, diblock copolymer polystyrene-block-polyethylene oxide is used as the structuring agent. Real-space data as SEM and microscopy images will be discussed with reciprocal-space analysis methods as grazing-incidence x-ray scattering in small and wide-angle mode.