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Characterization of multicrystalline solar cells with LBIC method in different wavelength
Fořt, Tomáš ; Jandová, K. ; Vaněk, J. ; Boušek, J.
For the determination of defects in the solar cells was used a method LBIC (Light Beam Induced Current). We use LED light source with various wavelengths to reveal the different types of defects. Using multiple wavelengths enables detecting defects in different depths. Surface defects can be observed in shorter wavelengths (400nm and 470nm). The junction region is well observed at wavelengths close to 525nm. Defects in the base material are visible using the light at a wavelength of 630nm or 890nm.

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