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Charge Selective Layer Optimization of a Double Perovskite Solar Cell by Numerical Simulation

Lecture Notes in Electrical Engineering, ISSN: 1876-1119, Vol: 877, Page: 445-454
2023
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Conference Paper Description

The use of lead in conventional metal halide perovskite leads to the toxicity and hindrance in commercialization of these PSCs. The present work is a study about the Cesium Titanium (IV) Halide-based perovskite solar cell which is lead-free and eco-friendly. The planar device structure FTO/ZnO (ETL)/CsTiX (X = I, Br)/P3HT (HTL)/Au has been initially studied and simulated using SCAPS-1D solar cell simulation software. Further the device FTO/ETL/CsTiBr/HTL/Au structure was optimized using diverse charge selective layers as ETL and HTL to find the most suitable ETL and HTL for our device. It was found that WS as ETL and CuO and CuSCN as HTL gives the optimum solar cell performance parameters. Moreover, the thickness of absorber was optimized and a good PCE of 15.9% was achieved at a moderate thickness of 400 nm CsTiBr for FTO/WS/CsTiBr/CuO/Au device.

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