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    Efficient bifacial monolithic perovskite/silicon tandem solar cells via bandgap engineering

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    Name:
    41560_2020_756_OnlinePDF(2).PDF
    Size:
    2.017Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2021-07-11
    Download
    Type
    Article
    Authors
    de Bastiani, Michele
    Mirabelli, Alessandro J. cc
    Hou, Yi cc
    Gota, Fabrizio
    Aydin, Erkan cc
    Allen, Thomas
    Troughton, Joel
    Subbiah, Anand Selvin cc
    Isikgor, Furkan Halis
    Liu, Jiang
    Xu, Lujia cc
    Chen, Bin
    Van Kerschaver, Emmanuel
    Baran, Derya cc
    Fraboni, Beatrice cc
    Salvador, Michael F.
    Paetzold, Ulrich W.
    Sargent, E. cc
    De Wolf, Stefaan cc
    KAUST Department
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia.
    Material Science and Engineering Program
    KAUST Grant Number
    OSR-CRG2018-3737
    Date
    2021-01-11
    Embargo End Date
    2021-07-11
    Submitted Date
    2020-03-19
    Permanent link to this record
    http://hdl.handle.net/10754/666878
    
    Metadata
    Show full item record
    Abstract
    Bifacial monolithic perovskite/silicon tandem solar cells exploit albedo—the diffuse reflected light from the environment—to increase their performance above that of monofacial perovskite/silicon tandems. Here we report bifacial tandems with certified power conversion efficiencies >25% under monofacial AM1.5G 1 sun illumination that reach power-generation densities as high as ~26 mW cm–2 under outdoor testing. We investigated the perovskite bandgap required to attain optimized current matching under a variety of realistic illumination and albedo conditions. We then compared the properties of these bifacial tandems exposed to different albedos and provide energy yield calculations for two locations with different environmental conditions. Finally, we present a comparison of outdoor test fields of monofacial and bifacial perovskite/silicon tandems to demonstrate the added value of tandem bifaciality for locations with albedos of practical relevance.
    Citation
    De Bastiani, M., Mirabelli, A. J., Hou, Y., Gota, F., Aydin, E., Allen, T. G., … De Wolf, S. (2021). Efficient bifacial monolithic perovskite/silicon tandem solar cells via bandgap engineering. Nature Energy. doi:10.1038/s41560-020-00756-8
    Sponsors
    This work was supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under award no. OSR-2018-CPF-3669.02, KAUST OSR-CARF URF/1/ 3079-33-01, KAUST OSR-CRG RF/1/3383, KAUST OSR-CRG2018-3737 and IED OSR-2019-4208. This work was supported in part by the US Department of the Navy, Office of Naval Research (grant award no. N00014-20-1-2572). The financial support of the German Federal Ministry for Economic Affairs and Energy (CAPITANO, funding code 03EE1038B) and the Initiating and Networking funding of the Helmholtz Association (HYIG to U.W.P. (funding code VH-NG1148), PEROSEED (funding code ZT-0024) and the Science and Technology of Nanostructures Research Program) is acknowledged. Furthermore, we are grateful for the help and support of A. Mertens and A. Rozalier from KIT in setting up the outdoor measurements in Karslruhe as well as M. Langenhorst, R. Schamger and J. Lehr for developing earlier versions of the energy-yield software. We acknowledge the support of ABET Technologies and Newport. We thank TUV Rheinland Group, Germany, for providing solar spectra from TUV’s outdoor test field on the KAUST campus, Thuwal, Saudi Arabia. We are grateful for the support of J. L. Mynar and the KAUST Corelab, and for the fruitful discussions with A. H. Balawi.
    Publisher
    Springer Science and Business Media LLC
    Journal
    Nature Energy
    DOI
    10.1038/s41560-020-00756-8
    Additional Links
    http://www.nature.com/articles/s41560-020-00756-8
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41560-020-00756-8
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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