Regensburg 2025 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 25: Poster: Active Matter, Soft Matter, Fluids (joint session DY/CPP)

CPP 25.19: Poster

Wednesday, March 19, 2025, 10:00–12:00, P3

Zetapotential of Gold Surfaces in a Flow Cell — •Mattis Rasenat, Peter Vogel, Marcus Witt, and Thomas Palberg — Johannes gutenberg Universität Mainz

We present a case study on the zeta-potential of gold surfaces in a continuous flow cell. The charge of dielectric surfaces is of high interest for technological applications. Therefore, we measure the zeta potential of polymer particles in a custom-made electrokinetic flowthrough cell with exchangeable sidewall. The zeta potential is measured with a super-heterodyne light scattering setup.

Keywords: Gold Surface; Zeta Potential; Flow