Cu2BaSnS4/Cu2FeSnS4 combination for a good light absorption in thin-film solar cells—a numerical model

Oublal, Essaadia; Al-Hattab, Mohamed; Ait Abdelkadir, Abdelaziz; Sahal, Mustapha; kumar, Naveen

doi:10.1007/s12596-024-01667-7

Cited by 2 publications

(1 citation statement)

References 31 publications

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“…Simulation plays a very important role in scientific research. It is used to predict the physical properties of materials and to evaluate the effect of various physical parameters such as temperature and pressure on these properties [25][26][27][28][29][30][31][32][33][34][35][36]. In the field of thin-film solar cells, SCAPS 1D stands out as a particularly effective and reliable software package for modelling heterostructured structures [4].…”

Section: Simulation Methodology and Materials Propertiesmentioning

confidence: 99%

Improving CZTS/ZTO solar cell efficiency with inorganic BSF layers

Chargui,

Lmai,

Al-Hattab

et al. 2024

Semicond. Sci. Technol.

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Copper zinc tin sulfide (CZTS) thin-film solar cells have garnered significant attention in the solar energy sector. This study aims to enhance the performance of CZTS solar cells by replacing the conventional, toxic CdS buffer layer with Z n 1 − x S n x O (ZTO) for x = 0.2. Utilizing the one-dimensional solar cell capacitance simulator (SCAPS-1D) and informed by experimental data on the physical properties of the solar cell layers, we investigated the effects of thickness, doping density, and defect density of the CZTS absorber layer on the cell’s performance. Initially, an efficiency of 14.76% was achieved. To improve this efficiency, an inorganic back surface field (BSF) layer was incorporated to mitigate charge carrier recombination at the absorber/back contact metal interface. Various materials, including CuO, C u 2 O , Mo S 2 and Mo S e 2 , were evaluated as potential BSF layers. Comparative analysis indicated that the inclusion of the BSF layer significantly enhances the solar cell efficiency, achieving up to 27% with C u 2 O as the BSF material. Furthermore, the study included an analysis of temperature effects and parasitic resistances to comprehensively assess the solar cell’s performance.

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