Abstract
A method is presented for measuring the diffusion length and surface recombination velocity of Interdigitated Back Contact (IBC) solar cells. The quantum efficiency of these cells can, under appropriate conditions, be approximated by a linear relationship with respect to the inverse of the absorption coefficient. A simple linear regression on experimental values allows to determine the surface recombination velocity and the diffusion length. Experimental results are presented for some IBC and Front Surface Field (FSF) solar cells.
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