Silicon dislocations and Si3N4 inclusions

From the feedstock to the wafer, Silicon material represents a very important share of a PV module cost.

In order to increase the number of appropriate feedstock sources and to end up with the best possible use of each material, information will be exchanged on :

  • key criteria and specifications for Silicon material,
  • characterisation techniques of impurities, crystal defects and additional relevant parameters,
  • impact on Si solar cell performances

Research activities are carried out on this "Silicon material" topic. The Research Infrastructures offering access to external research projects are listed in the table hereunder:

(click to open the PDF file)


Research Infrastructures

Main Characteristics



Crucible coating equipment, crystallisation furnaces (10, 60 and 600kg), ingot and wafer characterisation (electronic and chemical, with ppb resolution)


Characterisation Lab

Electrical and optical characterisation of wafers and solar cells, in-line imaging


Si cell for CPV

Processing and characterisation of material and devices

Fraunhofer ISE

Wafer & Cell Imaging

Electrical and optical characterisation of silicon materials and solar cells, understanding of impurities and crystal defects


Cell modelling infrastructure

Electrical and optical characterisation of wafers, nano-characterisation, FE modelling of thermomechanical effects and stresses


Heliosi Characterisation

Electronic and structural properties, chemical composition


Heliosi Crystallisation

Crystallisation furnaces of 12 and 150 kg

Czochralski furnaces up to 5" - 135 kg


If you would like to be listed here, as an additional research infrastructure provider (even outside this consortium), please contact us.

Silicon block lifetime measurement