Dopant-additive synergism enhances perovskite solar modules [* Cross-Reference *]

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Ding, Bin; Ding, Yong; Peng, Jun; Romano-deGea, Jan; Frederiksen, Lindsey E.K.; Kanda, Hiroyuki; Syzgantseva, Olga A.; Syzgantseva, Maria A.; Audinot, Jean Nicolas; Bour, Jerome; Zhang, Song; Wirtz, Tom; Fei, Zhaofu; Dörflinger, Patrick; Shibayama, Naoyuki; Niu, Yunjuan; Hu, Sixia; Zhang, Shunlin; Tirani, Farzaneh Fadaei; Liu, Yan; Yang, Guan Jun; Brooks, Keith; Hu, Linhua; Kinge, Sachin; Dyakonov, Vladimir; Zhang, Xiaohong; Dai, Songyuan; Dyson, Paul J.; Nazeeruddin, Mohammad Khaja, 2024, "Dopant-additive synergism enhances perovskite solar modules [* Cross-Reference *]", https://lore.list.lu/citation?persistentId=perma:LIST.MPRVHC, LIST Open Repository, V1
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Description
Perovskite solar cells (PSCs) are among the most promising photovoltaic technologies owing to their exceptional optoelectronic properties1,2. However, the lower efficiency, poor stability and reproducibility issues of large-area PSCs compared with laboratory-scale PSCs are notable drawbacks that hinder their commercialization3. Here we report a synergistic dopant-additive combination strategy using methylammonium chloride (MACl) as the dopant and a Lewis-basic ionic-liquid additive, 1,3-bis(cyanomethyl)imidazolium chloride ([Bcmim]Cl). This strategy effectively inhibits the degradation of the perovskite precursor solution (PPS), suppresses the aggregation of MACl and results in phase-homogeneous and stable perovskite films with high crystallinity and fewer defects. This approach enabled the fabrication of perovskite solar modules (PSMs) that achieved a certified efficiency of 23.30% and ultimately stabilized at 22.97% over a 27.22-cm2 aperture area, marking the highest certified PSM performance. Furthermore, the PSMs showed long-term operational stability, maintaining 94.66% of the initial efficiency after 1,000 h under continuous one-sun illumination at room temperature. The interaction between [Bcmim]Cl and MACl was extensively studied to unravel the mechanism leading to an enhancement of device properties. Our approach holds substantial promise for bridging the benchtop-to-rooftop gap and advancing the production and commercialization of large-area perovskite photovoltaics. (2024-05-07)
***This entry has been automatically imported via Infodoc(ASO) CSV by LIST harvest scripts. Please refer to https://doi.org/10.1038/s41586-024-07228-z for the original and latest version of the dataset and data downloads*** (2025-09-03)
Subject Earth and Environmental Sciences
Keyword exceptional optoelectronic properties, promising photovoltaic technologies, photovoltaic technologies owing, Perovskite solar cells, technologies owing
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