Numerical optimization of cesium bismuth iodide-based CIGS/Perovskite tandem solar cells for enhanced photovoltaic performance

IF 4.6 2区 物理与天体物理 Q1 OPTICS Optics and Laser Technology Pub Date : 2024-11-16 DOI:10.1016/j.optlastec.2024.112072
Priyanshu Yadav , Poonam Subudhi , Himanshu Dixit , Deepak Punetha
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Abstract

Perovskite solar cells have gained significant attention due to their high efficiency. This study presents a comprehensive numerical modeling of CIGS/Perovskite bilayer solar cells aimed at enhancing their performance. Utilizing advanced device simulation software, we investigate the impact of integrating cesium bismuth iodide-based perovskite with a second-generation CIGS absorber layer. The model evaluates critical parameters including layer thickness, defect density, doping concentration, band gap, and temperature to optimize device architecture. Initial simulations of the baseline structure, featuring SnO2 as the electron transport layer (ETL) and CuSCN as the hole transport layer (HTL), reveal a power conversion efficiency (PCE) of 5.75 %, a fill factor (FF) of 42.9 %, a short-circuit current density (Jsc) of 11.26 mA/cm2, and an open-circuit voltage (Voc) of 1.19 V. Through targeted optimization, we achieve significant performance enhancements, increasing the PCE to 15.69 %, the FF to 89.34 %, the Jsc to 12.43 mA/cm2, and the Voc to 1.41 V. The optimized device structure FTO/SnO2/Cs3Bi2I9/CIGS/CuSCN/Pt demonstrates a promising pathway for developing efficient and environmentally friendly perovskite solar cells. This study underscores the potential of tandem cell configurations in achieving stable, high-efficiency, lead-free photovoltaic solutions.

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对基于碘化铯铋的 CIGS/Perovskite 串联太阳能电池进行数值优化以提高光伏性能
过氧化物太阳能电池因其高效率而备受关注。本研究对 CIGS/Perovskite 双层太阳能电池进行了全面的数值建模,旨在提高其性能。利用先进的设备模拟软件,我们研究了将基于碘化铋铯的包晶石与第二代 CIGS 吸收层整合在一起的影响。该模型评估了包括层厚度、缺陷密度、掺杂浓度、带隙和温度在内的关键参数,以优化器件结构。以 SnO2 为电子传输层 (ETL) 和 CuSCN 为空穴传输层 (HTL) 的基线结构的初步模拟显示,其功率转换效率 (PCE) 为 5.75%,填充因子 (FF) 为 42.9%,短路电流密度 (Jsc) 为 11.26 mA/cm2,开路电压 (Voc) 为 1.19 V。FTO/SnO2/Cs3Bi2I9/CIGS/CuSCN/Pt 的优化器件结构为开发高效、环保的过氧化物太阳能电池提供了一条前景广阔的途径。这项研究强调了串联电池配置在实现稳定、高效、无铅光伏解决方案方面的潜力。
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来源期刊
CiteScore
8.50
自引率
10.00%
发文量
1060
审稿时长
3.4 months
期刊介绍: Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems
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