Roll-to-Roll Deposition of Wide-Bandgap CsFAPbBr3 Perovskite Solar Cells in Ambient Air with Optimized Ink Formulation

IF 6 3区 工程技术 Q2 ENERGY & FUELS
Solar RRL Pub Date : 2024-10-04 DOI:10.1002/solr.202400530
Farshad Jafarzadeh, Lirong Dong, Dongju Jang, Michael Wagner, Giulio Koch, Shudi Qiu, Sarmad Feroze, José Garcia Cerrillo, Christoph J. Brabec, Aldo Di Carlo, Francesca Brunetti, Hans-Joachim Egelhaaf, Fabio Matteocci
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引用次数: 0

Abstract

The growing demand for sustainable energy solutions has made the development of scalable, efficient, and cost-effective perovskite solar cells (PSCs) increasingly important. Wide-bandgap perovskites (WB-PSCs) stand out due to their efficiency in low-light conditions and their use in tandem solar cells. WB-PSCs are currently behind conventional PSCs in upscaling, with limited success in printing wide bandgap PSCs. Developing upscaling methods is essential to fully realize their potential in the renewable energy sector. This research addresses the development of roll-to-roll (R2R) slot-die coating of Cs0.05FA0.95PbBr3-based WB-PSCs by focusing on improving the film formation process and ink formulation. By adding optimal concentration of CsBr and performing in situ characterization, we obtained Cs0.05FA0.95PbBr3 films with enhanced morphology and crystallinity in ambient conditions (50% RH), without inducing secondary phase formation. In addition, slot-die coating defects are eliminated through introducing DMSO: Butanol (9:1) solvent system. The R2R coated wide-bandgap PSCs reaches a power conversion efficiency (PCE) of up to 8.97% under 1-sun conditions and 18.3% PCE under indoor conditions. The corresponding R2R coated modules with a 5 × 5 cm2 active area achieve a PCE of 5.8%, representing a crucial step towards the high-throughput, cost-effective production of perovskite solar modules.

Abstract Image

基于优化油墨配方的CsFAPbBr3钙钛矿太阳能电池在空气中的卷对卷沉积
对可持续能源解决方案日益增长的需求使得开发可扩展、高效、经济的钙钛矿太阳能电池(PSCs)变得越来越重要。宽带隙钙钛矿(WB-PSCs)因其在低光条件下的效率和在串联太阳能电池中的应用而脱颖而出。wb - psc目前在升级方面落后于传统psc,在打印宽带隙psc方面取得的成功有限。开发升级方法对于充分发挥其在可再生能源领域的潜力至关重要。本研究通过改进成膜工艺和油墨配方,研究了基于cs0.05 fa0.95 pbbr3的wb - psc的R2R槽模涂层的发展。通过添加最佳浓度的CsBr并进行原位表征,我们在环境条件下(50% RH)获得了形貌和结晶度增强的Cs0.05FA0.95PbBr3薄膜,且没有诱导二次相的形成。此外,通过引入DMSO:丁醇(9:1)溶剂体系,消除了槽模涂层缺陷。R2R涂层的宽带隙PSCs在单太阳条件下的功率转换效率(PCE)高达8.97%,在室内条件下的PCE高达18.3%。相应的活性面积为5 × 5 cm2的R2R涂层组件实现了5.8%的PCE,这是向高通量、高成本效益生产钙钛矿太阳能组件迈出的关键一步。
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来源期刊
Solar RRL
Solar RRL Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
12.10
自引率
6.30%
发文量
460
期刊介绍: Solar RRL, formerly known as Rapid Research Letters, has evolved to embrace a broader and more encompassing format. We publish Research Articles and Reviews covering all facets of solar energy conversion. This includes, but is not limited to, photovoltaics and solar cells (both established and emerging systems), as well as the development, characterization, and optimization of materials and devices. Additionally, we cover topics such as photovoltaic modules and systems, their installation and deployment, photocatalysis, solar fuels, photothermal and photoelectrochemical solar energy conversion, energy distribution, grid issues, and other relevant aspects. Join us in exploring the latest advancements in solar energy conversion research.
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