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A Comprehensive Analysis of Eco-Friendly Cs2SnI6 Based Tin Halide Perovskite Solar Cell through Device Modeling

Pal, Debashish

Authors

Debashish Pal



Abstract

The choice of appropriate materials is of paramount importance in realizing a high efficiency perovskite solar cell. Lead free eco-friendly perovskite solar cell architecture is theoretically investigated using solar cell capacitance simulator (SCAPS) for device performance. Preliminary investigations on Cs2SnI6solar cell architectures have indicated that the presence of hole transport layer is crucial in achieving an open-circuit voltage greater than 0.6 V. The presence of a valence band offset between the Cs2SnI6absorber and hole transport layer has a significant detrimental impact on the short-circuit current density and fill factor of the cell. A novel device architecture employing TiO2as an electron transport material and Cu2Oasahole transport material is proposed to overcome the limitations associated with the current designs. Theoretical investigations are carried out employing1D SCAPS simulation program in order to optimize the structure by varying the perovskite thickness, bandgap, and defect concentration. The proposed solar cell after optimization has a practically realizable power conversion efficiency of 17.77%.

Citation

Pal, D. (2023). A Comprehensive Analysis of Eco-Friendly Cs2SnI6 Based Tin Halide Perovskite Solar Cell through Device Modeling. Advanced Theory and Simulations, 6(3), Article 2200856. https://doi.org/10.1002/adts.202200856

Journal Article Type Article
Acceptance Date Jan 5, 2023
Online Publication Date Jan 26, 2023
Publication Date 2023-03
Deposit Date Feb 13, 2023
Publicly Available Date Mar 29, 2024
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 6
Issue 3
Article Number 2200856
DOI https://doi.org/10.1002/adts.202200856
Keywords Cs2SnI6, double halide perovskite, nonradiative recombination, perovskite solar cell, SCAPS

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