Abstract
This paper reports the simulation of a Perovskite/Silicon tandem solar cell, based on methylammonium mixed bromide-iodide lead perovskite, CH3NH3PbI3−xBrx and Silicon-hetero-junction (SHJ) structures as top and bottom cells, respectively, using Silvaco-atlas software. In this work we have simulated the single perovskite and the single silicon solar cells, where the power conversion efficiency (PCE) of the perovskite and the silicon are 24.38% and 21.43% respectively. A good agreement with other simulation and experimental results found in literature is achieved. We have also modeled the Perovskite/Silicon tandem structure with perovskite and silicon as top and bottom cells, respectively. The results show a PCE of 27.02% for the tandem solar cell. To enhance the efficiency and to achieve the current matching between the sub-cells, adjusting the perovskite top cell thickness of our structure can efficiently improve the PCE of the tandem solar cell reaching 31.67%.
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