Technical Infrastructure and Equipment

Electrochemical Equipment

Electrochemistry cell in the darkfield microscope. © Roberto Schirdewahn
  • Various potentiostats for potentiodynamic and potenitostatic EC (Autolab, Bio-logic, Gamry, Jaissle, Solartron, Zennium,…)
  • Fast-response & high-frequency pulse potentiostats
  • Bipotentiostatic measurements (Autolab)
  • Low- and ultra-low current setups for electrochemical single nanoparticle analysis (npi, Elements)
  • High current / high potential potentiostats
  • Software
    • Comsol – finite elements simulations
    • DigiElch
    • ORCA – DFT simulations
  • Electrochemical Quartz Crystal microbalance
  • Rotating disc setups (Glassy carbon and Pt electrodes)
  • Electrochemical impedance spectroscopy
  • Scanning Electrochemical Cell Microscope (probes with microscopic fingerprint)
  • Scanning Ion Microscopy
  • Scanning Electrochemical Microscope (Au and Pt microelectrodes, 10 um resolution)
  • Semiautomatic polishing machine

Surface Characterization

  • Scanning Electron microscopy (FEI eSEM Dual Beam™ Quanta 3D FEG), incl. EDX, environmental cell, temperature control
  • Atomic Force Microscopy
    • JPK Nanowizard, Electrochemical AFM, MFM, conductive-AFM, force-distance measurements
    • Bruker Resolve, PeakForce Tapping, Electrochemical AFM, MFM, conductive-AFM, force-distance measurements
  • Surface Plasmon-Resonance (Autolab Twingle, standard and EC cuvette)
  • Optical microscopy (Zeiss, Axioscope, Bresser)
  • Darkfield microscopy
  • ATR-SEIRAS spectroelectrochemistry (Veemax III and Jackfish Cell)
  • Microscopic FTIR in reflectance/transmission mode

Nanoparticle Characterization

  • DLS and Zeta-potential measurements
    • Malvern, Zetasizer Nano ZS
    • Wyatt, DynaPro NanoStar
  • UV-vis spectrometry
    • Agilent Cary 60
    • Eppendorf BioSpectrometer
  • SEM & EDX (FEI, Quanta 3D FEG)

Nanoparticle Synthesis

Nanoparticle samples. © Roberto Schirdewahn
  • 5-port Schlenk lines
  • vacuubrand VACUULAN System
  • Plasma cleaner

Micro and nano electrode fabrication

  • Laser puller (PL-2000 Sutter) for borosilicate and quartz nanopipettes preparation
  • Crucible-heated microelectrode sealing (soda lime and borosilicate glass)
  • Laser-assisted sealing of metal nanoelectrodes (platinum in quartz)
  • Multi-electrode options starting from multi-barrel electrodes

Corrosion Studies

  • Büchi Miniclave steel (100bar, 200°C)
  • High pressure electrode fitting for the reactor