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Neutrons for Science and Industry

Interdiffusion in polyelectrolyte multilayers

by Prof. Christiane Helm (Univ. Greifswald)

Europe/Berlin
Zoom Webinar

Zoom Webinar

https://tum-conf.zoom.us/j/96181143364?pwd=TnJ2OVFJWTZGQUZ1OVltOEFDSEpoUT09
Description

Polyelectrolyte multilayers are ultrathin films prepared by sequential adsorption of oppositely charged polyelectrolytes. Using neutron reflectivity, the mobility of polyelectrolyte molecules within the film is determined. Tuning the inter- and intramolecular interactions, the diffusion coefficient of the polyanions can be varied by more than five orders of magnitude. 

Organised by

Dr. Christian Franz
Dr. Christian Lang