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Computational design of high performance hybrid perovskite on silicon tandem solar cells

Abstract : In this study, the optoelectronic properties of a monolithically integrated series-connected tandem solar cell are simulated. Following the large success of hybrid organic-inorganic perovskites, which have recently demonstrated large efficiencies with low production costs, we examine the possibility of using the same perovskites as absorbers in a tandem solar cell. The cell consists in a methylammonium mixed bromide-iodide lead perovskite, CH3NH3PbI3(1-x)Br3x (0 \textless x \textless 1), top sub-cell and a single-crystalline silicon bottom sub-cell. A Si-based tunnel junction connects the two sub-cells. Numerical simulations are based on a one-dimensional numerical drift-diffusion model. It is shown that a top cell absorbing material with 20% of bromide and a thickness in the 300-400 nm range affords current matching with the silicon bottom cell. Good interconnection between single cells is ensured by standard n and p doping of the silicon at 5.10^19cm-3 in the tunnel junction. A maximum efficiency of 27% is predicted for the tandem cell, exceeding the efficiencies of stand-alone silicon (17.3%) and perovskite cells (17.9%) taken for our simulations, and more importantly, that of the record crystalline Si cells
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Submitted on : Wednesday, February 17, 2016 - 3:23:56 PM
Last modification on : Friday, December 10, 2021 - 3:52:10 PM
Long-term archiving on: : Wednesday, May 18, 2016 - 1:14:24 PM


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  • HAL Id : hal-01275497, version 1
  • ARXIV : 1509.01612


Alain Rolland, L. Pedesseau, Alexandre Beck, Mikael Kepenekian, Claudine Katan, et al.. Computational design of high performance hybrid perovskite on silicon tandem solar cells. 2016. ⟨hal-01275497⟩



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