Interface passivation for 31.25%-efficient perovskite/silicon tandem solar cells

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dc.contributor.authorChin, Xin Yu
dc.contributor.authorTurkay, Deniz
dc.contributor.authorSteele, Julian A
dc.contributor.authorTabean, Saba
dc.contributor.authorEswara, Santhana
dc.contributor.authorMensi, Mounir
dc.contributor.authorFiala
dc.contributor.authorWolff, Christian
dc.contributor.authorParacchino, Adriana
dc.contributor.authorArtuk, Kerem
dc.contributor.authorJacobs, Daniel
dc.contributor.authorGuesnay, Quentin
dc.contributor.authorSahli, Florent
dc.contributor.authorAndreatta, Gaëlle
dc.contributor.authorBoccard, Matthieu
dc.contributor.authorJeangros, Quentin
dc.contributor.authorBallif, Christophe
dc.date.accessioned2023-09-27T08:52:08Z
dc.date.available2023-09-27T08:52:08Z
dc.date.issued2023-07-07
dc.description.abstractSilicon solar cells are approaching their theoretical efficiency limit of 29%. This limitation can be exceeded with advanced device architectures, where two or more solar cells are stacked to improve the harvesting of solar energy. In this work, we devise a tandem device with a perovskite layer conformally coated on a silicon bottom cell featuring micrometric pyramids—the industry standard—to improve its photocurrent. Using an additive in the processing sequence, we regulate the perovskite crystallization process and alleviate recombination losses occurring at the perovskite top surface interfacing the electron-selective contact [buckminsterfullerene (C60)]. We demonstrate a device with an active area of 1.17 square centimeters, reaching a certified power conversion efficiency of 31.25%.
dc.identifier.citationScience, 381, 59
dc.identifier.urihttps://hdl.handle.net/20.500.12839/1260
dc.titleInterface passivation for 31.25%-efficient perovskite/silicon tandem solar cells
dc.typeJournal Article
dc.type.csemdivisionsBU-T
dc.type.csemresearchareasFunctional Surfaces
dc.type.csemresearchareasSolar Cells and Modules
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