SYSTEM SERIES: LumiSolar Cell
SYSTEM SERIES: LumiSolar Cell
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Photoluminescence (PL) method
Excitation by an intensive light source
The solar cell or wafer is excited by a high-intensity light source. No electrical connections to the solar cell are necessary. The invisible photoluminescence radiation emitted by the wafer or solar cell is detected by a highly sensitive camera.
The photoluminescence as contactless measurement method is especially qualified for the inspection at an early stage of production and development. It enables the inspection of as-cut wafer, processed wafer and solar cells.
Examples
