Cu2ZnSnS4吸收层中逐渐以硒取代硫或以锗取代锡对kesterite太阳能电池效率影响的数值模拟

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Chalcogenide Letters Pub Date : 2023-02-23 DOI:10.15251/cl.2023.202.165

N. Messei, M. Aida, A. Attaf, N. Hamani, S. Laznek

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引用次数: 0

摘要

为了提高kesterite Cu2ZnSnS4太阳能电池的效率，研究了不同的梯度策略。吸收层梯度是通过用硒部分取代硫或用锗部分取代锡而得到的。利用SCAPS1D程序计算PV参数。研究了前、后、双梯度对电池参数的影响。我们还提出了全梯度间隙吸收层剖面。其电压提高到1.040V，填充系数提高到71.69%，效率超过22.95%。与其他类型的梯度相比，短路电流密度仍然很高(Jsc= 39.7mA / cm2)。

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Numerical simulation of the effect of gradual substitution of sulfur with selenium or tin with germanium in Cu2ZnSnS4 absorber layer on kesterite solar cell efficiency

To enhance the efficiency of kesterite Cu2ZnSnS4 solar cell, different gradient strategies are investigated. Absorber layer gradient is obtained by partial substitution of sulfur with selenium or tin with germanium. The PV Parameters are calculated using the SCAPS1D program. The effect of the front, back, and double gradient on the cell parameters was investigated. We proposed also the fully graded gap absorber layer profile. The opencircuit voltage has increased to 1.040V, the fill factor has increased to 71.69%, and the efficiency has exceeded 22.95%. In contrast to other types of gradients, the short-circuit current density remains high (Jsc= 39.7mA / cm2 ).

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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.