Research Projects

Investigations of host-guest interactions in porous material
Contact: M. Sc. Thomas Wittmann , M.Sc. Adrian Schmutzler , M.Sc. Carsten Tschense

Understanding host-guest interactions in porous materials is the key to a targeted design of sorption properties in this material class. A number of potential applications like gas storage and separation, drug delivery as well as sensoring depend crucially on this fact. One idea to introduce selectivity into the sorption process is to modify the pore face chemically. By using functionalized MOFs we probe the ef... more...

Porous Covalent Organic Frameworks
Contact: M.Sc. Christoph Klumpen

Porous Covalent organic frameworks (COFs) exhibit some very interesting properties. They are capable of storing and separating various types of gases and can be used as photocatalysts in organic reactions. Our goal is to functionalize these COFs in order to be able to design their properties depending on the employed functional groups (e.g. selectivity in gas separation). Compared to their metal-containing anal... more...

Computational Chemistry
Contact: M. Sc. Dominik Greim

NMR Spectroscopy has been proven to be a powerful tool for structure determination in solid state. However, without proper structural models, interpretation of NMR observables remains qualitative. Thus the first, crucial step in structure determination with solid-stade NMR is to provide reasonable starting models. For setting up structural models, we mainly utilise empiric descriptions and force field methods, ... more...

Understanding Nucleation
Contact: M. Sc. Dominik Greim

Glasses and amorphous solids in general, are widely used in various fields of life and material science. Amorphous drugs, for instance, usually possess a higher bioavailability than their crystalline polymorphs. Thus, when stored below the glass transition temperature (Tg), a crystallisation would be economically harmful, but occurs occasionally. Otherwise the selective and exclusive crystallisation ... more...

NMR-Crystallography
Contact: Dr. Renée Siegel , M.Sc. Carsten Tschense , M. Sc. Helen Grüninger , M.Sc. Adrian Schmutzler

NMR crystallography combines the complementary techniques of solid-state NMR, powder diffraction and computational chemistry. While diffraction experiments reveal topological data, sold-state NMR unravels connections, distances and orientation relations on local and intermediate length scales. Molecular modelling and quantum chemical simulations help to create meaningful model str... more...

Development of solid-state NMR techniques based on hyperpolarized Xenon
Contact: M. Sc. Tobias Kemnitzer

Spin-exchange optical pumping (SEOP) is a process in which the angular momentum from an alkali valence electron is transferred to the nucleus of a noble gas atom. Such techniques can enhance the 129Xe polarization by three to five orders of magnitude, making it a unique tool to study surface conditions of particulate, mesoscopically structured materials. Nanoparticles with anisotropic properties are ... more...

University of Bayreuth - Chair of Inorganic Chemistry III - Prof. Dr. Jürgen Senker