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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 49: Poster Session II

CPP 49.5: Poster

Tuesday, March 17, 2020, 14:00–16:00, P1A

Investigation of polymer templated silicon-germanium nanostructures for hybrid photovoltaics — •Christian L. Weindl1, Michael A. Giebel2, Matthias Schwartzkopf3, Thomas F. Fässler2, Stefan V. Roth3,4, and Peter Müller-Buschbaum1,51Technische 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

Latest research in the field of hybrid photovoltaics focuses on the benefits of inorganic and organic materials. Flexibility, low cost, and large-scale production are the most valuable properties of organic components whereas the inorganic components add chemical and physical stability. In this work, we analyze thin films with optical, electrical and morphological measurement techniques to understand and control the corresponding properties. An amphiphilic diblock copolymer templating with polystyrene-b-polyethylene oxide (PS-b-PEO) and a potassium-semiconductor-semiconductor precursor is used to prepare porous thin films via sol-gel synthesis. The focus is to implement these mesoporous nanostructures into hybrid photovoltaics.

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