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Berlin 2024 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 56: Heterostructures, Interfaces and Surfaces II

HL 56.2: Vortrag

Freitag, 22. März 2024, 09:45–10:00, EW 561

Carbon Nanotubes meet MOF synthesis — •Marvin J. Dzinnik1, Necmettin E. Akmaz1, Adrian Hannebauer2, Andreas Schaate2, Peter Behrens2,3, and Rolf J. Haug1,31Institut für Festkörperphysik, Leibniz Universität Hannover, 30167 Hannover, Germany — 2Institut für Anorganische Chemie, Leibniz Universität Hannover, 30167 Hannover, Germany — 3Laboratorium für Nano- und Quantenengineering, Leibniz Universität Hannover, 30167 Hannover, Germany

Metal-organic frameworks (MOFs) are highly porous materials made from metallic ion clusters connected by organic linker molecules. The choice of these building blocks strongly affects the physical and chemical properties like pore size and adsorption behaviour. It has been shown that bringing networks of functionalized carbon nanotubes (CNTs) into a MOF synthesis can lead to a conducting, intergrown hybrid material with chemiresistive sensing properties.[1] We found a method to control UiO-66 MOF growth on individual CNTs. By local pretreatment with an electron beam we can define lines on which MOF growth is inhibited, leaving MOF-free spaces on a particular CNT giving a possible way to fabricate miniaturized MOF/CNT devices and exploring the interaction between these materials.

[1] Schulze, H. A., et al. Electrically Conducting Nanocomposites of Carbon Nanotubes and Metal-Organic Frameworks with Strong Interactions between the two Components. ChemNanoMat, 5(9), (2019), 1159-1169.

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