Surface recombination velocity of local Al-contacts of PERC solar cells determined from LBIC measurements and 2D simulation

Abstract

Industrial production volumes of passivated emitter and rear contact (PERC) solar cells increase due to significantly higher cell efficiencies compared to full area back surface field (BSF) solar cells at similar costs. The main features of PERC cells are dielectric surface passivation of the rear and local contact formation with Al leading to a pp junction… (More)

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