CZTS吸收器中ZnO/CdS芯壳纳米线阵列壳层厚度的优化

IF 1.8 4区物理与天体物理 Q3 OPTICS

International Journal of Optics Pub Date : 2022-01-20 DOI:10.1155/2022/5301790

Chonge Wang, Boubacar Drame, Lucien Niare, Fu Yuegang

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引用次数: 0

摘要

硫化铜锌锡(CZTS)太阳能电池已成为太阳能发电行业关注的热点。它们被用作氧化锌(ZnO)/硫化镉(CdS)核壳纳米线阵列中的吸收剂，以提高太阳能电池的性能。与薄膜相比，平均吸收率的增加与CdS壳层厚度的关系表明，与薄膜相比，具有最大平均吸收率(39.95%)的最佳厚度为30 nm。在ZnO和CdS层之间引入石墨烯后，电池的电学和光学性能得到了显著改善。在开路电压为630 mV、短路电流密度为6.39 mA/cm2、效率为16.8%的情况下，壳层厚度为30 nm和40 nm的纳米线太阳能电池具有较好的性能。此外，在相同的壳体厚度下，获得了40%的最小反射。

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Optimization of the Shell Thickness of the ZnO/CdS Core-Shell Nanowire Arrays in a CZTS Absorber

Copper-zinc-tin-sulfide (CZTS) solar cells have now become a topic of interest in the solar power generation industry. These are used as an absorber in the zinc oxide (ZnO)/cadmium sulfide (CdS) core-shell nanowire arrays, in order to improve the performance of solar cells. The relationship between the average increase in absorption rates and CdS shell thickness (compared to the thin film) reveals that the optimum thickness with the maximum average absorption rate (39.95%) compared to thin film is 30 nm. The cells’ electrical and optical performance was significantly improved with the introduction of graphene between the ZnO and CdS layers. The shell thicknesses for a better performance of these nanowire solar cells were 30 and 40 nm, with almost the same open-circuit voltage, the similar short-circuit current density, and efficiency, which were 630 mV, 6.39 mA/cm², and 16.8%, respectively. Furthermore, a minimum reflection of 40% was obtained with these same shell thicknesses.

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来源期刊

International Journal of Optics Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

3.40

自引率

5.90%

发文量

审稿时长

13 weeks

期刊介绍： International Journal of Optics publishes papers on the nature of light, its properties and behaviours, and its interaction with matter. The journal considers both fundamental and highly applied studies, especially those that promise technological solutions for the next generation of systems and devices. As well as original research, International Journal of Optics also publishes focused review articles that examine the state of the art, identify emerging trends, and suggest future directions for developing fields.