Antisolvent-Mediated Air Quench for High-Efficiency Air-Processed Carbon-Based Planar Perovskite Solar Cells

IF 6 3区 工程技术 Q2 ENERGY & FUELS
Solar RRL Pub Date : 2024-09-29 DOI:10.1002/solr.202400599
Jacob Wall, Kausar Khawaja, Wenjun Xiang, Adam Dvorak, Christopher Picart, Xiaoyu Gu, Lin Li, Nicholas Rolston, Kai Zhu, Joseph J. Berry, Feng Yan
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引用次数: 0

Abstract

Perovskite solar cells (PSCs) have emerged as a leading low-cost photovoltaic technology, achieving power conversion efficiencies (PCEs) of up to 26.1%. However, their commercialization is hindered by stability issues and the need for controlled processing environments. Carbon-electrode-based PSCs (C-PSCs) offer enhanced stability and cost-effectiveness compared to traditional metal-electrode PSCs, i.e., Au and Ag. However, processing challenges persist, particularly in air conditions where moisture sensitivity poses a significant hurdle. Herein, a novel air processing technique is presented for planar C-PSCs that incorporates antisolvent vapors, such as chlorobenzene, into a controlled air-quenching process. This method effectively mitigates moisture-induced instability, resulting in champion PCEs exceeding 20% and robust stability under ambient conditions. The approach retains 80% of initial efficiency after 30 h of operation at maximum power point without encapsulation. This antisolvent-mediated air-quenching technique represents a significant advancement in the scalable production of C-PSCs, paving the way for future large-scale deployment.

抗溶剂介导的高效空气处理碳基平面钙钛矿太阳能电池的空气猝灭
钙钛矿太阳能电池(PSCs)已经成为一种领先的低成本光伏技术,其功率转换效率(pce)高达26.1%。然而,它们的商业化受到稳定性问题和对受控处理环境的需求的阻碍。与传统的金属电极PSCs(即Au和Ag)相比,碳电极PSCs (C-PSCs)具有更高的稳定性和成本效益。然而,加工挑战仍然存在,特别是在空气条件下,湿度敏感性构成了重大障碍。本文提出了一种新的空气处理技术,用于平面C-PSCs,该技术将抗溶剂蒸汽(如氯苯)纳入受控的空气淬火过程中。该方法有效地减轻了水分引起的不稳定性,导致冠军pce超过20%,并且在环境条件下具有强大的稳定性。在没有封装的情况下,在最大功率点运行30小时后,该方法保留了80%的初始效率。这种抗溶剂介导的空气淬灭技术代表了c - psc可扩展生产的重大进步,为未来的大规模部署铺平了道路。
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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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