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4.5 HZB 10.5442/ND000009 Tockhorn, Philipp Philipp Tockhorn 0000-0003-1361-2252 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Sutter, Johannes Johannes Sutter 0000-0001-5634-3449 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Cruz, Alexandros Alexandros Cruz 0000-0002-4795-4077 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Wagner, Philipp Philipp Wagner 0000-0001-7652-9144 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Jäger, Klaus Klaus Jäger 0000-0002-6008-9559 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Zuse Institute Berlin, Computational Nanooptics Group, Takustr. 7, 14195 Berlin, Germany Yoo, Danbi Danbi Yoo 0000-0001-6770-4465 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Lang, Felix Felix Lang 0000-0001-9711-380X Universität Potsdam, Soft matter physics, Karl-Liebknecht-Straße 24/25, 14476 Potsdam, Germany Grischek, Max Max Grischek 0000-0002-9786-4854 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Universität Potsdam, Soft matter physics, Karl-Liebknecht-Straße 24/25, 14476 Potsdam, Germany Li, Bor Bor Li 0000-0003-3895-0792 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Li, Jinzhao Jinzhao Li 0000-0001-6866-1321 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Shargaieva, Oleksandra Oleksandra Shargaieva 0000-0003-4920-3282 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Unger, Eva Eva Unger 0000-0002-3343-867X Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Humboldt Universität zu Berlin, Department of Chemistry, Brook-Taylor-Strasse 2, 12489 Berlin, Germany Al-Ashouri, Amran Amran Al-Ashouri 0000-0001-5512-8034 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Köhnen, Eike Eike Köhnen 0000-0002-3637-4907 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Stolterfoht, Martin Martin Stolterfoht 0000-0002-4023-2178 Universität Potsdam, Soft matter physics, Karl-Liebknecht-Straße 24/25, 14476 Potsdam, Germany Neher, Dieter Dieter Neher 0000-0001-6618-8403 Universität Potsdam, Soft matter physics, Karl-Liebknecht-Straße 24/25, 14476 Potsdam, Germany Schlatmann, Rutger Rutger Schlatmann 0000-0002-5951-9435 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Hochschule für Technik und Wirtschaft Berlin, Faculty 1: School of Engineering – Energy and Information, 10313 Berlin, Germany Rech, Bernd Bernd Rech 0000-0002-9718-8665 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Technische Universität Berlin, Faculty of Electrical Engineering and Computer Science, 10587 Berlin, Germany Stannowski, Bernd Bernd Stannowski 0000-0003-0130-3954 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Berliner Hochschule für Technik, 13353 Berlin Albrecht, Steve Steve Albrecht 0000-0001-9962-9535 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Technische Universität Berlin, Faculty of Electrical Engineering and Computer Science, 10587 Berlin, Germany Becker, Christiane Christiane Becker 0000-0003-4658-4358 Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstr. 5, 12489, Berlin, Germany Hochschule für Technik und Wirtschaft Berlin, Faculty 1: School of Engineering – Energy and Information, 10313 Berlin, Germany HZB Data Service 2022 Light Management Perovskite/Silicon Tandem Solar Cells Nanotexture Bayesian Optimization Finite Element Method 2022-08-01 Dataset 10.1038/s41565-022-01228-8 82.14 MiB application/zip Creative Commons Zero v1.0 Universal Perovskite-silicon tandem solar cells allow to overcome the power conversion efficiency limit of conventional silicon solar cells. So far, various textured tandem devices have been presented aiming at improved optical performance, but optimal film growth on surface textured wafers remains challenging. Here we present perovskite-silicon tandem solar cells with periodic nanotextures that offer various advantages without compromising the material quality of solution-processed perovskite layers. We show the reduction of reflection losses in comparison to planar tandems with the devices being less sensitive upon deviations from optimum layer thicknesses. The nanotextures also enable a greatly increased fabrication yield from 50% to 95%. Moreover, the open-circuit voltage is improved by 15 mV due to enhanced optoelectronic properties of the perovskite top cell. Our optically advanced rear reflector with a dielectric buffer layer enables the reduced parasitic absorption at near-infrared wavelengths. As a result, we demonstrate a certified power conversion efficiency of 29.80%. The data is provided as a ZIP archive containing one subdirectory for each figure in the journal publication and the supporting information. Most of them contain tabular data in csv files or Excel spreadsheets used to create the plots. But also raw data from AFM scans, png images of SEM scans and svg images of GIWAXS scans are provided. 10.1038/s41565-022-01228-8