Abstract

P3HT:PCBM bulk heterojunction solar cells were fabricated in two different configurations and were compared. A solar cell in matrix configuration showed lower R s, R sh, and V oc than an isolated cell due to the increased number of parasitic paths through neighboring devices. Solar cells in the matrix configuration were simulated using discrete cell parameters and the J sc obtained was corroborated with experimental value. The PEDOT:PSS layer enhances the effect of lateral charge transport and results in cross-talk-like behavior between arrays of solar cells with a common anode. These lead to significant errors, as high as 72.1%, in the calculated power conversion efficiencies.

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