优化 CTS 薄膜太阳能电池：基于 USP 沉积薄膜的数值研究

IF 2.8 3区物理与天体物理 Q2 PHYSICS, CONDENSED MATTER

Physica B-condensed Matter Pub Date : 2024-11-16 DOI:10.1016/j.physb.2024.416751

Sabina Rahaman , Monoj Kumar Singha , Paramita Sarkar , M. Anantha Sunil , Kaustab Ghosh

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引用次数: 0

摘要

由于 CTS（Cu2SnS3）无毒、价格低廉且天然可用，因此可用于下一代薄膜太阳能电池。CTS 具有直接带隙和高吸收系数，使其成为制造太阳能电池的一个有吸引力的环保选择。利用超声波喷雾热解沉积 CTS（吸收层）和 ZnS（缓冲层）薄膜，并通过 XRD、SEM 和紫外可见光谱对其进行表征。根据实验结果，使用 SCAPS 1D 进行了数值模拟。FTO/CTS/ZnS/Ag 是器件的结构，其中 Ag 充当电极。本文研究了 CTS 和 ZnS 层的厚度、掺杂浓度、工作温度、带隙变化和缺陷密度对这些太阳能电池的影响。在 300K 温度下，所提出的电池的功率转换效率为 8.25%，开路电压为 0.4252V，短路电流为 24.82 mA/cm2，FF 为 78.18%。

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Optimization of CTS thin film solar cell: A numerical investigation based on USP deposited thin films

CTS (Cu₂SnS₃) can be used in the next generation of thin-film solar cells due to its non-toxicity, affordability, and natural availability. CTS has a direct bandgap, high absorption coefficient, making it an attractive and environmentally friendly choice for fabrication of solar cells. Ultrasonic spray pyrolysis is used to deposit CTS (absorber layer) and ZnS (buffer layer) films and they are characterized by XRD, SEM and UV–Vis spectroscopy. Based on experimental results, numerical simulation has been performed using SCAPS 1D. FTO/CTS/ZnS/Ag is the structure of device, where Ag act as an electrode. In this paper, a study is carried out to investigate the effects of thickness, doping concentrations in CTS and ZnS layer, working temperatures, bandgap variations, and defect densities on these solar cells. At the temperature of 300K, the proposed cell exhibits a power conversion efficiency of 8.25 %, open circuit voltage 0.4252V, short circuit current 24.82 mA/cm², FF 78.18 % respectively.

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来源期刊

Physica B-condensed Matter 物理-物理：凝聚态物理

CiteScore

4.90

自引率

7.10%

发文量

703

审稿时长

44 days

期刊介绍： Physica B: Condensed Matter comprises all condensed matter and material physics that involve theoretical, computational and experimental work. Papers should contain further developments and a proper discussion on the physics of experimental or theoretical results in one of the following areas: -Magnetism -Materials physics -Nanostructures and nanomaterials -Optics and optical materials -Quantum materials -Semiconductors -Strongly correlated systems -Superconductivity -Surfaces and interfaces