Abstract
In the present work, the simulation of a perovskite solar cell with the composition FTO/SnO2/MAPbI3−xClx/PTAA/Au is performed using SCAPS-1D software. Initially, the absorber thickness, doping concentration of the absorber, charge transport layer, doping gradient and intensity are optimised to enhance the efficiency of the cell. After all optimisation, power conversion efficiency of 34.95% overall is obtained. This enhancement of solar device performance is due to proper band alignment and improved electric field. Both factors result in proper carrier transportation and reduced recombination. The simulated results are also compared with experimental results, and are in good agreement. In addition, the J–V and QE curves are compared. The outcomes of our simulations offer a method that is appropriate for cell production.
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Data availability
Data will be made available upon reasonable request to the corresponding author.
Abbreviations
- SCAPS-1D:
-
Solar cell capacitance simulator in one dimension
- PSCs:
-
Perovskite solar cells
- ETL:
-
Electron transport layer
- HTL:
-
Hole transport layer
- HOMO:
-
Highest occupied molecular orbital
- LUMO:
-
Lowest unoccupied molecular orbital
- ITO:
-
Indium tin oxide
- SnO2 :
-
Tin oxide
- PTAA:
-
Poly(triaryl amine)
- Au:
-
Gold
- J sc :
-
Short-circuit current density
- V oc :
-
Open-circuit voltage
- FF:
-
Fill factor
- PCE:
-
Power conversion efficiency
- QE:
-
Quantum efficiency
- N t :
-
Defect density of absorber
- G :
-
Doping gradient
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Acknowledgements
All the authors would like to thank Prof. Marc Burgelman (University of Ghent, Belgium) for providing the SCAPS-1D software.
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All authors discussed the contents of the manuscript. Ritu conceptualized the text of the manuscript, and made the figures for paper. Ritu and Gagandeep contributed in writing the manuscript and which has been revised by FC and RK, and the proof reading of the manuscript has been done by RK, and the manuscript is prepared under the supervision of FC.
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Ritu, Gagandeep, Kumar, R. et al. Numerical simulation of a mixed-halide perovskite solar cell using doping gradient. J Comput Electron 22, 1532–1540 (2023). https://doi.org/10.1007/s10825-023-02085-x
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DOI: https://doi.org/10.1007/s10825-023-02085-x