RESEARCH ACTIVITIES

Current research projects in the group focus on structure-property relationships in functional inorganic-organic frameworks, such as various forms of hybrid perovskites and metal-organic frameworks. By investigating the structure on an atomistic level, we seek to develop design principles that help us synthesising new materials with distinct and optimised physicochemical properties. Our research philosophy is based on a strong believe in interdisciplinary collaborations across the different research areas of experimental and computational inorganic chemistry, solid state physics and materials science in general.

Properties of recent interest are the thermodynamics of phase transitions in dense and porous coordination polymers, the response of these to hydrostatic pressures, their barocaloric performances and the role of structure dynamics (phonons) in all these phenomena. Since structural changes play a crucial role in all our research activities, we constantly employ state-of-the art diffraction and scattering techniques such as high pressure and variable temperature X-ray diffraction and inelastic neutron scattering.

Figure 1. Overview about the research topics in our group, with the formulation of chemical design guidelines related to functional materials as the overarching interest of our research activities.
Some overview publications:
  • S. Burger, M. Ehrenreich, G. Kieslich. Tolerance Factors of hybrid perovskites: recent improvements and current state of research. J. Mater. Chem. A 2018, 6, 21785-21793.
  • A. K. Cheetham, G. Kieslich, H.-M. H. Yeung. Thermodynamic and Kinetic Effects in the Crystallization of Metal-Organic Frameworks. Acc. Chem. Res. 2018, 51, 659-667.
  • G. Kieslich, A. Goodwin. The same and not the same: Molecular perovskites and their solid-state analogues. Mater. Horiz. 2017, 4, 362-366.
  • K. T. Butler, A. Walsh, A. K. Cheetham, G. Kieslich. Organised chaos: entropy in hybrid inorganic-organic systems and other materials. Chem. Sci2016, 7, 6316-6324.