DataVXACS Energy LettersPaper
journal article·2026-04-10Open access

Bandgap Tunable Two-Step Vapor-Deposited Perovskite Absorbers for Perovskite-Silicon Tandem Solar Cells

Austin G. Kuba, Kerem Artuk, Mostafa Othman, Deniz Turkay, Chiara Ongaro, Michele Debastiani, Quentin Guesnay, Mohammad Reza Golobostanfard, Maryamsadat Heydarian, Oliver Fischer, Martin C. Schubert, Florent Sahli, Yohann Ansel, Quentin Jeangros, Aïcha Hessler-Wyser, Christophe Ballif, Christian M. Wolff

ACS Energy Letters· Volume 11· Issue 4
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Source abstract

Abstract

We report a two-step thermal evaporation-close space sublimation deposition method for tunable bandgap lead halide perovskites with single junction solar cell efficiencies exceeding 20%. These absorbers are integrated into perovskite-silicon tandem solar cells with stabilized efficiencies of >29%.
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Research context

Electronic materialsMaterials processing

OpenAlex topics: Perovskite Materials and Applications · solar cell performance optimization · Organic Electronics and Photovoltaics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Microengineering (IEM), Photovoltaics and Thin-Film Electronics Laboratory

Centre Suisse d’Electronique et de Microtechnique (CSEM)

Smart Energy Materials, Department of Chemistry, University of Turku, Henrikinkatu 2, 20500, Turku, Finland

Fraunhofer Institute for Solar Energy Systems, Heidenhofstrasse 2, 79110 Freiburg, Germany

Chair for Photovoltaic energy Conversion, Department of Sustainable Systems Engineering INATECH, University of Freiburg, Emmy-Noether-Str. 2, 79110 Freiburg, Germany

Funding

Bundesamt f?r Energie · Horizon 2020 · Swiss State Secretariat for Education Research and Innovation · Fonds ?lectricit? vitale vert des Services industriels de Gen?ves · ETH Domain

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