Fraunhofer Center for Silicon Photovoltaics CSP
Fraunhofer Center for Silicon Photovoltaics CSP

Laser-Induced Breakdown Spectroscopy

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      • Laser-induced plasma spectroscopy can be used to examine samples (including those of non-uniform shape) up to a size of 30 cm x 40 cm. 2D mappings over the entire surface can be created, and element contents in materials can be quantitatively determined using appropriate calibration standards.
      • The tool is inline capable, so that analyses directly on a conveyor belt are also possible.
      • We offer standardized order analyses as well as complex root cause analyses, from single orders to extensive research and development projects.

      2D Mapping

      2D mapping LIBS analysis
      © Fraunhofer CSP
      LIBS analysis as a 2D mapping is used to visualize the lateral element distribution.
      • Display of element distributions over large sample areas (up to 30x40 cm)
      • From smooth samples to uneven surfaces
      • Measuring spot 100 µm

      Quantitative Analyses

      Customized LIBS analytics
      © Fraunhofer CSP
      Laser Induced Breakdown Spectroscopy (LIBS) enables in-line analysis of element contents.
      • Quantitative analyses from the % range to the ppm range
      • Reference materials required for calibration of the analysis
      • After extensive method development, sample analysis is possible in seconds

      PV Recycling

      PV recycling
      © Fraunhofer CSP
      Inline-capable LIBS analysis is used to determine the composition of recycled materials.
      • Identification of fluorine-containing backsheets for process optimization
      • Determination of precious metal contents in primary recyclate
      • Composition of solder pastes and contact fingers
      •  Differentiation between glass vs. silicon content in recycling fractions