Towards Enhanced Efficiency of CsSnI3 Lead-Free Perovskite Solar Cells via Embedding Plasmonic Nanoparticles and Back Grooves: FDTD-SCAPS Numerical Simulations

IF 3.3 4区 物理与天体物理 Q2 CHEMISTRY, PHYSICAL
H. Ferhati, F. Djeffal
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引用次数: 0

Abstract

Lead-free perovskite solar cells (LFP SCs) emerged as potential alternatives for elaborating high-efficiency eco-friendly photovoltaic systems. However, further improvements in terms of light trapping optimization and short-circuit current should be developed to overcome the efficiency limitation. In this work, a design framework based on coupling plasmon-induced charge separation gold nanoparticles (Au-NPs) and light trapping engineering using back grooves is proposed, to enhance the photovoltaic performance of the CsSnI3 solar cell. Accurate numerical models based on combined Finite Difference Time Domain (FDTD)-SCAPS calculations are performed including the influence of Au-NPs and back grooves. In addition, particle swarm optimization (PSO) technique is used to boost up the absorption capabilities of the proposed CsSnI3 solar cell, where the best distribution of Au-NPs (radius = 38 nm, period = 365 nm) and geometry of back grooves (period = 183 nm, height = 76 nm, and width = 190 nm) are successfully selected. The recorded power conversion efficiency of the proposed CsSnI3 solar cell could achieve 5.75% and a high short-circuit current of 23.3 mA/cm2 is reached by considering the optimized structure. Consequently, the obtained high-photovoltaic properties demonstrate the potential of the proposed design strategy for designing efficient LFP SC by exploiting plasmonic effects combined with light management engineering.

Abstract Image

通过嵌入等离子纳米粒子和背沟槽提高铯硒三无铅过氧化物太阳能电池的效率:FDTD-SCAPS 数值模拟
无铅过氧化物太阳能电池(LFP SCs)是开发高效环保光伏系统的潜在替代品。然而,要克服效率限制,还需要在光捕获优化和短路电流方面做出进一步改进。本研究提出了一个基于等离子体诱导电荷分离金纳米粒子(Au-NPs)和利用背沟槽进行光捕获工程耦合的设计框架,以提高 CsSnI3 太阳能电池的光伏性能。基于有限差分时域 (FDTD)-SCAPS 组合计算的精确数值模型包括 Au-NPs 和背沟槽的影响。此外,还使用了粒子群优化(PSO)技术来提高所提出的硒化钴太阳能电池的吸收能力,成功地选择了最佳的 Au-NPs 分布(半径 = 38 nm,周期 = 365 nm)和背沟几何形状(周期 = 183 nm,高度 = 76 nm,宽度 = 190 nm)。通过优化结构,所提出的碲化镉硅太阳能电池的功率转换效率达到了 5.75%,短路电流高达 23.3 mA/cm2。因此,所获得的高光伏特性证明了所提出的设计策略的潜力,即通过利用等离子体效应结合光管理工程来设计高效的 LFP 太阳能电池。
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来源期刊
Plasmonics
Plasmonics 工程技术-材料科学:综合
CiteScore
5.90
自引率
6.70%
发文量
164
审稿时长
2.1 months
期刊介绍: Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.
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