Monolithically-grained perovskite solar cell with Mortise-Tenon structure for charge extraction balance.
In: Nature Communications, Jg. 14 (2023-06-03), Heft 1, S. 1-10
Online
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Zugriff:
Although the power conversion efficiency values of perovskite solar cells continue to be refreshed, it is still far from the theoretical Shockley-Queisser limit. Two major issues need to be addressed, including disorder crystallization of perovskite and unbalanced interface charge extraction, which limit further improvements in device efficiency. Herein, we develop a thermally polymerized additive as the polymer template in the perovskite film, which can form monolithic perovskite grain and a unique "Mortise-Tenon" structure after spin-coating hole-transport layer. Importantly, the suppressed non-radiative recombination and balanced interface charge extraction benefit from high-quality perovskite crystals and Mortise-Tenon structure, resulting in enhanced open-circuit voltage and fill-factor of the device. The PSCs achieve certified efficiency of 24.55% and maintain >95% initial efficiency over 1100 h in accordance with the ISOS-L-2 protocol, as well as excellent endurance according to the ISOS-D-3 accelerated aging test. Disorder crystallization of perovskite and unbalanced charge extraction limit the performance of perovskite solar cells. Here, the authors develop self-polymerizing additive to form monolithic perovskite grains with mortise-tenon structure, achieving efficiency over 24% and long device stability. [ABSTRACT FROM AUTHOR]
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Monolithically-grained perovskite solar cell with Mortise-Tenon structure for charge extraction balance.
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Autor/in / Beteiligte Person: | Wang, Fangfang ; Li, Mubai ; Tian, Qiushuang ; Sun, Riming ; Ma, Hongzhuang ; Wang, Hongze ; Chang, Jingxi ; Li, Zihao ; Chen, Haoyu ; Cao, Jiupeng ; Wang, Aifei ; Dong, Jingjin ; Liu, You ; Zhao, Jinzheng ; Chu, Ying ; Yan, Suhao ; Wu, Zichao ; Liu, Jiaxin ; Li, Ya ; Chen, Xianglin |
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Zeitschrift: | Nature Communications, Jg. 14 (2023-06-03), Heft 1, S. 1-10 |
Veröffentlichung: | 2023 |
Medientyp: | academicJournal |
ISSN: | 2041-1723 (print) |
DOI: | 10.1038/s41467-023-38926-3 |
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