Comparative study by simulation betweentwo structures CdS/CZTS and ZnS/CZTS via SCAPS-1D software

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Chalcogenide Letters Pub Date : 2024-02-01 DOI:10.15251/cl.2024.212.113

C. Merzouk, S. Bensmaine, L. Ghalmi, A. Aissat

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Abstract

This comparative numerical simulation study investigates the electrical characteristics of two heterojunction thin-film solar cells based on Kësterites Copper Zinc Tin Sulfide. The study compared two solar cells with different structures, Zinc Oxide ZnO/Cadmium Sulfide CdS/Kësterites CZTS/Molybdenum Mo and Zinc Oxide ZnO/Zinc Sulfide ZnS/Kësterites CZTS/Molybdenum Mo, to determine which is more efficient in achieving maximum photovoltaic efficiency. The results showed that the ZnO/ZnS/CZTS/Mo solar cell is the better option, outperforming the CdS/CZTS/Mo solar cell in terms of short-circuit current density Jsc, open-circuit voltage Voc, form factor FF, and photovoltaic efficiency η. The study also investigated the effect of doping and layer thickness of CZTS and ZnS on photovoltaic parameters. The optimized ZnS/CZTS solar cell achieved an efficiency of 16.29% for ZnS and CZTS layer thicknesses of 0.02µm and 4μm, respectively, and doping concentrations of 1018 and 1016cm-3 , respectively. Overall, this study provides valuable insights for designing more efficient solar cells and optimizing their photovoltaic efficiency using Kësterites CZTS, CdS, and ZnS materials.

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通过 SCAPS-1D 软件对 CdS/CZTS 和 ZnS/CZTS 两种结构进行模拟比较研究

这项比较数值模拟研究调查了基于钾盐铜锌锡硫化物的两种异质结薄膜太阳能电池的电气特性。研究比较了两种不同结构的太阳能电池，即氧化锌 ZnO/硫化镉 CdS/Kësterites CZTS/Molybdenum Mo 和氧化锌 ZnO/ 硫化锌 ZnS/Kësterites CZTS/Molybdenum Mo，以确定哪种结构的太阳能电池在实现最高光电效率方面更有效。结果表明，ZnO/ZnS/CZTS/Mo 太阳能电池是更好的选择，在短路电流密度 Jsc、开路电压 Voc、外形系数 FF 和光电效率 η 方面都优于 CdS/CZTS/Mo 太阳能电池。研究还探讨了 CZTS 和 ZnS 的掺杂和层厚对光伏参数的影响。当 ZnS 和 CZTS 层厚度分别为 0.02μm 和 4μm 以及掺杂浓度分别为 1018 和 1016cm-3 时，优化的 ZnS/CZTS 太阳能电池的效率达到了 16.29%。总之，这项研究为利用钾长石 CZTS、CdS 和 ZnS 材料设计更高效的太阳能电池并优化其光电效率提供了宝贵的见解。

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来源期刊

Chalcogenide Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED

CiteScore

1.80

自引率

20.00%

发文量

审稿时长

1 months

期刊介绍： Chalcogenide Letters (CHL) has the aim to publish rapidly papers in chalcogenide field of research and appears with twelve issues per year. The journal is open to letters, short communications and breakings news inserted as Short Notes, in the field of chalcogenide materials either amorphous or crystalline. Short papers in structure, properties and applications, as well as those covering special properties in nano-structured chalcogenides are admitted.