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Institute of Particle Technology
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  1. Friedrich-Alexander-Universität
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  3. Department Chemical and Biological Engineering
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  1. Friedrich-Alexander-Universität
  2. Faculty of Engineering
  3. Department Chemical and Biological Engineering

Institute of Particle Technology

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Emulsions

In page navigation: Research
  • Research Groups
    • Interface Engineering and Particle Technology (Peukert Group)
      • Additive Manufacturing
        • Liquid Phase Production of Functional Polymer Particles (CRC 814 Project A1)
        • Modification and Functionalization of Powders in Gas Phase (SFB 814 Project A2)
        • Quality assurance system for powders used in selective laser beam melting of polymers (SFB 814 Transfer Project T1)
      • Advanced Colloid Characterization
        • Multidimensional analysis of nanoparticulate structures using analytical ultracentrifugation with integrated multiwavelength detection
        • Development of multidimensional analysis of particulate systems using analytical centrifugation
        • Multiwavelength emission characterization of nanoparticles by means of a novel analytical ultracentrifuge
      • Characterization of Carbon Dots
      • Comminution
      • Surfaces and Interfaces
        • Proteins at Interfaces
        • Emulsions
        • Surface Functionalization, Degradation, and Corrosion
      • Synthesis, Surface Modification and In Situ Analysis
        • In situ monitoring of particle formation
    • Nanostructured Particles (Klupp Taylor Group)
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    • Solids Processing (Bück Group)
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Emulsions

Contact:

Vanessa Götz, M. Sc.

Department of Chemical and Biological Engineering
Chair of Particle Technology (Prof. Dr. Peukert)

Room: Room 02.804
Haberstraße 9a
91058 Erlangen
  • Phone number: +49 9131 85-20368
  • Email: vanessa.goetz@fau.de
Short description:

Emulsions

Emulsions consist of two immiscible liquids, like oil and water, one dispersed in the other. Surfactants are used to stabilize these interfaces. This project focuses on coalescence and diffusion phenomena in emulsions to understand and improve emulsion stability. Coalescence of oil or water droplets as well as transport mechanisms are strongly dependent on the involved interfaces. Applying surface sensitive non-linear spectroscopy enables us to investigate the amount, ordering and charge of different surfactants at interfaces. For example, SHG (second harmonic generation) can be used in diluted emulsion systems to monitor adsorption behaviours. On the other hand, planar SFG (sum frequency generation) measurements reveal molecular fingerprints and therefore the composition of molecules (e.g. surfactants) at interfaces. Among further techniques to characterize emulsions, size distribution evolution of droplets over time can be one tool to describe emulsion stability. Additionally, diffusion will be examined in a leach cell setup.

Friedrich-Alexander-Universität Erlangen-Nürnberg
Lehrstuhl für Feststoff- und Grenzflächenverfahrenstechnik

Cauerstr. 4
91058 Erlangen
Germany
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