Chemical synthesis-characterization

Laboratory chemical synthesis-characterization

Anna Maria Paoletti  -

BC11@Mlib

 
  • electrochemical characterization techniques
  • voltammetric techniques
  • electrochemical impedance spectroscopy techniques EIS
  • resistivity measurements with pneumatic four points probe, interfaced with Keithley 236 source measure unit
 

TECHNICAL SPECIFICATIONS

Potenziostato-galvanostato

  • Autolab PGStat 204 con modulo FRA 32M per EIS Metrohm (2014)
    • Potential range    +/- 10 V
    • Compliance voltage    +/- 20 V
    • Maximum current    +/- 400 mA
    • Current ranges    100 mA to 10 nA
    • Potential accuracy    +/- 0.2 %
    • Potential resolution    3 µV
    • Current accuracy    +/- 0.2 %
    • Current resolution    0.0003 % (of current range)
    • Input impedance    > 100 GOhm
    • Potentiostat bandwidth    1 MHz
    • Computer interface    USB
    • Control software    NOVA

Four-point measures

  • Alessi 645 Four Point Wafer base Probe, interfaccia con Keithley 236 source measure unit

AVAILABLE TECHNIQUES

  • Ciclovoltammetria (CV)
  • Electrochemical impedance spectroscopy techniques (EIS)
  • Resistivity measurements with pneumatic four points probe, interfaced with Keithley 236 source measure unit
 

SAMPLE

  • Solutions (min concentration 10-4M, min volume 5-10 ml) or films on conductive substrates

USE FOR

  • Characterization of electroactive materials