Surface functionalization and characterization

Low-pressure plasma device Nano (Diener)

• Plasma-enhanced chemical vapour deposition on various substrate geometries
• Different monomers, e.g. HMDSO or C6, and different process gases, e.g. oxygen, to obtain hydrophilic or hydrophobic
• Plasma cleaning and plasma activation of surfaces

Manual & semi-automatic grinding and polishing LaboPol-30 (Struers)

• Reproducible sample surface preparation
• Grinding and polishing paper, pads and cloths
• Polishing suspensions

Contact angle and surface free energy OCA 200 (DataPhysics Instruments GmbH)

• Contact angle goniometer and drop shape analysis system for microscopic and macroscopic structures
• Contact angle hysteresis via automated dosing system
• Picoliter dosing system
• Peltier thermostating unit -30...160° C
• Determination of the surface energy of solids by contact angle measurements of different test liquids

Electrokinetic analyzer for solid surface analysis SurPASS 3 (Anton Paar)

• Zeta potential analysis on macroscopic solids via streaming potential
• Time-dependent recording of liquid-on-solid adsorption kinetics
• Measurement cells for flat sample surfaces, membranes, tubes, fibers, particles > 25 µm