Introducing a sustainable strontium-based double perovskite solar cell exceeding 32 % efficiency for advanced solar technology

IF 4.9 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Journal of Physics and Chemistry of Solids Pub Date : 2025-05-01 Epub Date: 2025-01-21 DOI:10.1016/j.jpcs.2025.112582

Basra Sultana , Abu Bakkar , Okba Saidani , Sagar Bhattarai , Ahmad Irfan , Md. Ferdous Rahman

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Abstract

Perovskites are highly promising materials for photovoltaic (PV) technology due to their superior optical properties, cost-effectiveness, high efficiency, and lightweight nature. This study proposes a novel dual-absorber PV device featuring strontium arsenic iodide (Sr₃AsI₃) as the top layer and strontium phosphorus iodide (Sr₃PI₃) as the bottom layer, analyzed using SCAPS-1D simulations. The research investigates the influence of absorber thickness, doping concentrations, and defect densities on electrical parameters such as V_OC, J_SC, FF, and PCE, alongside the effects of temperature and resistance (shunt and series). Initial simulations of two single-junction PSCs yielded PCEs of 29.93 % for FTO/CdS/Sr₃PI₃/Au and 30.09 % for FTO/CdS/Sr₃AsI₃/Au. Upon optimization, the dual-absorber PSC (Al/FTO/CdS/Sr₃AsI₃/Sr₃PI₃/Au) achieved a maximum PCE of 32.20 %, with a V_OC of 1.02 V, J_SC of 36.50 mA/cm², and an FF of 86.80 %. This study provides valuable insights and practical strategies for the development of cost-effective, thin-film PSCs based on Sr₃AsI₃/Sr₃PI₃.

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介绍一种可持续的锶基双钙钛矿太阳能电池，效率超过32%，是先进的太阳能技术

钙钛矿由于其优异的光学性能、成本效益、高效率和轻质性，在光伏技术中具有很高的应用前景。本研究提出了一种新型的双吸收体光伏器件，其顶层为碘化砷锶（Sr3AsI3），底层为碘化磷锶（Sr3PI3），并使用SCAPS-1D模拟进行了分析。该研究考察了吸收剂厚度、掺杂浓度和缺陷密度对电气参数（如VOC、JSC、FF和PCE）的影响，以及温度和电阻（并联和串联）的影响。两个单结PSCs的初始模拟结果显示，FTO/CdS/Sr3PI3/Au的pce为29.93%，FTO/CdS/Sr3AsI3/Au的pce为30.09%。优化后，双吸收体PSC （Al/FTO/CdS/Sr3AsI3/Sr3PI3/Au）的最大PCE为32.20%，VOC为1.02 V， JSC为36.50 mA/cm2， FF为86.80%。该研究为开发具有成本效益的Sr3AsI3/Sr3PI3薄膜psc提供了有价值的见解和实用策略。

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来源期刊

Journal of Physics and Chemistry of Solids 工程技术-化学综合

CiteScore

7.80

自引率

2.50%

发文量

605

审稿时长

40 days

期刊介绍： The Journal of Physics and Chemistry of Solids is a well-established international medium for publication of archival research in condensed matter and materials sciences. Areas of interest broadly include experimental and theoretical research on electronic, magnetic, spectroscopic and structural properties as well as the statistical mechanics and thermodynamics of materials. The focus is on gaining physical and chemical insight into the properties and potential applications of condensed matter systems. Within the broad scope of the journal, beyond regular contributions, the editors have identified submissions in the following areas of physics and chemistry of solids to be of special current interest to the journal: Low-dimensional systems Exotic states of quantum electron matter including topological phases Energy conversion and storage Interfaces, nanoparticles and catalysts.