Characterization and Chemical Analysis

Skilled technicians and scientists, using a range of methods and equipment, will ensure that the properties of silicon ingots and wafers are well established. In our facilities, we offer the following equipment for analysis/characterization of silicon materials:

  • Sinton Consulting WCT-100 - Life time of minority charge carriers by Quasi Steady State - Photo Conductance (QSSPC)
    • Unit built for measurement of life times directly on unpassivated silicon blocks
  • Jandel Scientific - 4-point electrical resistivity measurement
  • PVScan 6000 - Unique equipment for advanced optical characterization of silicon wafers
    • Mapping of dislocations, coarse in elusion and grain boundaries
    • Light Beam Induced Current (LBIC) mapping of solar cell efficiency
    • Reflectivity mapping
  • Hitachi FEGSEM and FEGTEM (Field Emission Gun Scanning/Transmission Electron Microscopy) – High resolution electron microscopy
    • Determination of crystal orientation in silicon grains
    • Visualisation and analysis of defects and inclusions
  • Thermo Element II GDMS (Glow Discharge Mass Spectroscopy) Elemental impurity analysis in solid samples
    • For detection of trace element in Si and other materials
    • Detection limit in the ppb range
Contact person: Helen Langeng

 

 
 
 
Photos: Melinda Gaal

Published December 15, 2008