带有配体的 FAPbI3 纳米粒子在吸收层中发挥协同作用，用于制造高性能、稳定的基于 FAPbI3 的过氧化物太阳能电池

IF 19.3 1区材料科学 Q1 CHEMISTRY, PHYSICAL

ACS Energy Letters Pub Date : 2024-11-14 DOI:10.1016/j.nanoen.2024.110476

Weina Zhang, Takeru Bessho, Ludmila Cojocaru, Jotaro Nakazaki, Haibin Wang, Xiao Liu, Miwako Furue, Satoshi Uchida, Hiroshi Segawa

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引用次数: 0

摘要

过氧化物太阳能电池（PSC）的性能取决于过氧化物吸收层的质量。本研究将油酸（OA）和油胺（OAm）配体封端甲脒碘化铅（FAPbI3）纳米粒子（NPs）加入甲脒碘化铅（FAI）溶液中，该溶液是 FAPbI3 层连续沉积的前驱体之一。FAPbI3-NPs 和封端配体的协同作用大大提高了块状 FAPbI3 包晶石薄膜的结晶度、均匀性和形态。这些改进降低了电荷重组，提高了电荷转移效率，使优化后的 PSC 达到了 25.68% 的显著峰值功率转换效率 (PCE)。此外，这些 PSCs 还表现出良好的稳定性，未封装器件在环境空气（相对湿度 50% ）中可保持 93% 的峰值性能达 1000 小时之久。

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FAPbI3-Nanoparticles with ligands act synergistically in absorbent layers for high-performance and stable FAPbI3 based perovskite solar cells

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FAPbI3-Nanoparticles with ligands act synergistically in absorbent layers for high-performance and stable FAPbI3 based perovskite solar cells

The performance of perovskite solar cells (PSCs) depends on the quality of the perovskite absorber layer. In this study, oleic acid (OA) and oleylamine (OAm) ligand-capped formamidinium lead iodide (FAPbI₃) nanoparticles (NPs) were incorporated into the formamidinium iodide (FAI) solution, which is one of the precursors for the sequential deposition of the FAPbI₃ layer. The synergistic effect of the FAPbI₃-NPs and the capped ligand substantially improves the crystallinity, uniformity, and morphology of the bulk FAPbI₃ perovskite films. The enhancements lead to a reduction in charge recombination and a boost in charge transfer efficiency, enabling the optimized PSCs to achieve a remarkable peak power conversion efficiency (PCE) of 25.68%. Moreover, these PSCs show good stability, with unencapsulated devices maintaining 93% of the peak performance under ambient air (RH 50%) for 1000 hours.

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来源期刊

ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment

CiteScore

31.20

自引率

5.00%

发文量

469

审稿时长

1 months

期刊介绍： ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.