Le Dr. Simon A. J. Kimber (ICB) donnera une conférence intitulée : "Curiouser and curiouser: Insights into materials chemistry using advanced scattering techniques"

Résumé : In this seminar, I will introduce my I-Site funded group in the ICB laboratory, which focuses on x-ray and neutron scattering. Using examples from my time at the ESRF synchrotron and Oak Ridge National Laboratory, I will highlight the utility of these techniques for materials chemistry. In particular, I will show how developing in-situ methods gives insight into e.g. mechanochemical synthesis [1], heterogeneous catalysis [2] and nanoparticle solvation [3]. Moving forward, I will describe how our current research is providing tools for molecular speciation in the solvated state. In particular, I will describe the utility of pair distribution function analysis for tracking photo/electro chemical processes, and the nucleation/growth of pharmaceutically active oxo-clusters. Time allowing, I will highlight the ability of neutrons to shed light on processes occurring in exotic non-aqueous reaction systems, such as molten salts.

[1] Friscic et al, Real time and in-situ monitoring of mechanochemical reactions, Nature chemistry 5 (1), 66 (2013). See also: Nature Protocols 8 (9), 1718 (2013) , Nature Communications 6, 6662 (2015).

[2] Jacques et al, Pair distribution function computed tomography, Nature communications 4, 2536 (2013).

[3] Zobel, Neder, Kimber, Universal solvent restructuring induced by colloidal nanoparticlesm Science 347 (6219), 292-294.