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Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction

Amran Al‐AshouriYoung Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyEike KöhnenYoung Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyBor LiYoung Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyArtiom MagomedovDepartment of Organic Chemistry, Kaunas University of Technology, Kaunas LT-50254, LithuaniaHannes HempelDepartment of Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, GermanyPietro CaprioglioInstitute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, GermanyJ.A. MarquezDepartment of Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, GermanyAnna Belen Morales‐VilchesPVcomB, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyErnestas KasparavičiusDepartment of Organic Chemistry, Kaunas University of Technology, Kaunas LT-50254, LithuaniaJoel A. SmithDepartment of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, UKNga PhungYoung Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyDorothee MenzelYoung Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyMax GrischekInstitute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, GermanyLukas KegelmannYoung Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyDieter SkroblinPhysikalisch-Technische Bundesanstalt, 10587 Berlin, GermanyChristian GollwitzerPhysikalisch-Technische Bundesanstalt, 10587 Berlin, GermanyTadas MalinauskasDepartment of Organic Chemistry, Kaunas University of Technology, Kaunas LT-50254, LithuaniaMarko JoštFaculty of Electrical Engineering, University of Ljubljana, 1000 Ljubljana, SloveniaGašper MatičFaculty of Electrical Engineering, University of Ljubljana, 1000 Ljubljana, SloveniaB. RechFaculty of Electrical Engineering and Computer Science, Technical University Berlin, 10587 Berlin, GermanyRutger SchlatmannHTW Berlin–University of Applied Sciences, 12459 Berlin, GermanyMarko TopičFaculty of Electrical Engineering, University of Ljubljana, 1000 Ljubljana, SloveniaLars KorteYoung Investigator Group Perovskite Tandem Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyAntonio AbateYoung Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin, 12489 Berlin, GermanyBernd StannowskiBeuth University of Applied Sciences Berlin, 13353 Berlin, GermanyDieter NeherInstitute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, GermanyMartin StolterfohtInstitute of Physics and Astronomy, University of Potsdam, 14476 Potsdam, GermanyThomas UnoldDepartment of Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, GermanyVytautas GetautisDepartment of Organic Chemistry, Kaunas University of Technology, Kaunas LT-50254, LithuaniaSteve AlbrechtFaculty of Electrical Engineering and Computer Science, Technical University Berlin, 10587 Berlin, Germany
2020en
ABI

Аннотация

Tandem solar cells that pair silicon with a metal halide perovskite are a promising option for surpassing the single-cell efficiency limit. We report a monolithic perovskite/silicon tandem with a certified power conversion efficiency of 29.15%. The perovskite absorber, with a bandgap of 1.68 electron volts, remained phase-stable under illumination through a combination of fast hole extraction and minimized nonradiative recombination at the hole-selective interface. These features were made possible by a self-assembled, methyl-substituted carbazole monolayer as the hole-selective layer in the perovskite cell. The accelerated hole extraction was linked to a low ideality factor of 1.26 and single-junction fill factors of up to 84%, while enabling a tandem open-circuit voltage of as high as 1.92 volts. In air, without encapsulation, a tandem retained 95% of its initial efficiency after 300 hours of operation.

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Идентификаторы

DOI
10.1126/science.abd4016

Цитирования и источники

Цитирований: 3Использованных источников: 0
Показатели — AkademScholar