SKM 2021 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 8: Poster Session III

CPP 8.13: Poster

Mittwoch, 29. September 2021, 17:30–19:30, P

Multi-dimensional morphology control for PS-b-P4VP templated mesoporous iron (III) oxide thin films — •Shanshan Yin1, Wei Cao1, Qing Ji2, Yajun Cheng2, Lin Song3, Nian Li1, Christian L. Weindl1, Matthias Schartzkopf4, Stephan V. Roth4, 5, and Peter Müller-Buschbaum1, 61Lehrstuhl für Funktionelle Materialien, Physik-Department, Technische Universität München, 85748 Garching, Germany — 2Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China — 3Northwestern Polytechnical University, Xi’an 710072, China. — 4DESY, Notkestr. 85, 22603 Hamburg, Germany — 5Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden — 6Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, 85748 Garching, Germany

We systematically investigate the synthesis of polystyrene-block-poly(4-vinylpyridine) templated *-Fe2O3 thin films by changing the solvent category (DMF or 1,4-dioxane) and the polymer-to-FeCl3 ratios. DMF/1,4-dioxane mixtures with different component ratios are also prepared for revealing the effect of the solvent selectivity on the thin film morphology. The structure transition mechanism of the thin films is explained by the preferential affinity and the small-molecule surfactant micelles theory.

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