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Why more junctions do not yet deliver: interconnection challenges in perovskite multijunction solar cells

Energy Environ. Sci., 2026, Advance Article
DOI: 10.1039/D6EE01631F, Perspective
Open Access Open Access
Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Rik Hooijer, Sunwoo Kim, Doyun Im, Cong Chen, Dewei Zhao, Sangwook Lee, Erkan Aydin
Perovskite multijunction solar cells promise high efficiencies, yet progress beyond two-junctions is limited by the recombination junction. We benchmark RJ architectures and propose a framework to guide scalable multijunction development.
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Author Correction: Stable tin–lead perovskite inks for efficient all-perovskite tandems

Nature Energy, Published online: 09 June 2026; doi:10.1038/s41560-026-02097-4

Author Correction: Stable tin–lead perovskite inks for efficient all-perovskite tandems
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Stable tin–lead perovskite inks for efficient all-perovskite tandems

Nature Energy, Published online: 26 May 2026; doi:10.1038/s41560-026-02077-8

Low-bandgap tin–lead perovskites can boost solar cell efficiency but degrade quickly due to tin oxidation. Here the authors add proton-scavenging additives that stabilize inks for over 300 days, enabling 24.06% single cells and 29.56% certified tandem efficiency.
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