Numerical investigation on the performance of heterojunction solar cells with Cu2O as the hole transport layer and Cu2MoSnS4 as the absorption layer

IF 2.3 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Physics Letters A Pub Date : 2024-11-06 DOI:10.1016/j.physleta.2024.130029

WeiWei Xie , ChaoLing Du , YiHan Ding , XiaoYang Zhang , YangMao Luo , SiHao Xia , ShuiYan Cao

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引用次数: 0

Abstract

Cu₂MoSnS₄ (CCTS) is well suited as the absorption layer for solar cell due to its high absorption coefficient, suitable optical bandgap, and good stability. In this study, a novel CCTS-based solar cell with the structure of FTO/ZnO:Al/Ag₂S/CCTS/Cu₂O/C was proposed by setting Cu₂O as the hole transport layer (HTL) to boost the photovoltaic (PV) efficiency. A comparative numerical study of its PV performance with that of the reference counterpart was performed by employing the software SCAPS, which demonstrates its obvious advantage. It was also numerically optimized by tuning the geometry and optoelectronic parameters. The optimized power conversion efficiency (PCE) was revealed to reach 26.27 %, getting 135 % improvement compared with that of the reference counterpart. It demonstrates that the proposed CCTS heterojunction solar cell with Cu₂O as the HTL boosts the efficiency of CCTS-based solar cells and provide new clues for future CCTS solar cell design and application.

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以 Cu2O 为空穴传输层、Cu2MoSnS4 为吸收层的异质结太阳能电池性能的数值研究

Cu2MoSnS4（CCTS）具有高吸收系数、合适的光带隙和良好的稳定性，非常适合用作太阳能电池的吸收层。本研究提出了一种基于 CCTS 的新型太阳能电池，其结构为 FTO/ZnO:Al/Ag2S/CCTS/Cu2O/C，将 Cu2O 设置为空穴传输层（HTL），以提高光伏（PV）效率。利用 SCAPS 软件对其光伏性能与参照物的光伏性能进行了数值比较研究，结果表明其优势明显。此外，还通过调整几何形状和光电参数对其进行了数值优化。结果显示，优化后的功率转换效率（PCE）达到 26.27%，与参照物相比提高了 135%。这表明，以 Cu2O 作为 HTL 的 CCTS 异质结太阳能电池提高了基于 CCTS 的太阳能电池的效率，为未来 CCTS 太阳能电池的设计和应用提供了新的线索。

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来源期刊

Physics Letters A 物理-物理：综合

CiteScore

5.10

自引率

3.80%

发文量

493

审稿时长

30 days

期刊介绍： Physics Letters A offers an exciting publication outlet for novel and frontier physics. It encourages the submission of new research on: condensed matter physics, theoretical physics, nonlinear science, statistical physics, mathematical and computational physics, general and cross-disciplinary physics (including foundations), atomic, molecular and cluster physics, plasma and fluid physics, optical physics, biological physics and nanoscience. No articles on High Energy and Nuclear Physics are published in Physics Letters A. The journal''s high standard and wide dissemination ensures a broad readership amongst the physics community. Rapid publication times and flexible length restrictions give Physics Letters A the edge over other journals in the field.