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In many studies on light induced degradation (LID) phenomena, light intensity is specified in the unit ‘suns’. However, the actual meaning of this expression is rather undefined at least if a light source with its spectrum deviating from sun’s spectrum is used, e.g., a halogen incandescent lamp featuring a distinctly red shifted black body spectrum. Within this contribution it is shown that the different...
In this work we investigate the regeneration (permanent deactivation of light induced degradation, LID) of industrial high efficiency PERC cells. This procedure transforms the boron oxygen related defects responsible for LID into a less active state. Recently it was found that the hydrogen content in the passivation layer of boron doped Cz silicon lifetime samples plays a crucial role during regeneration...
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