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    Efficient tandem solar cells with solution-processed perovskite on textured crystalline silicon

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    Efficient tandem solar.pdf
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    Type
    Article
    Authors
    Hou, Yi cc
    Aydin, Erkan cc
    de Bastiani, Michele cc
    Xiao, Chuanxiao
    Isikgor, Furkan Halis cc
    Xue, Ding-Jiang cc
    Chen, Bin
    Chen, Hao
    Bahrami, Behzad cc
    Chowdhury, Ashraful H. cc
    Johnston, Andrew K. cc
    Baek, Se-Woong cc
    Huang, Ziru cc
    Wei, Mingyang
    Dong, Yitong cc
    Troughton, Joel
    Jalmood, Rawan
    Mirabelli, Alessandro J. cc
    Allen, Thomas cc
    Van Kerschaver, Emmanuel
    Saidaminov, Makhsud I. cc
    Baran, Derya cc
    Qiao, Qiquan cc
    Zhu, Kai cc
    De Wolf, Stefaan cc
    Sargent, E. cc
    KAUST Department
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    OSR-CARF URF/1/3079-33-01
    OSR-CRG URF/1/3383
    OSR-CRG2018-3737
    Date
    2020-03-05
    Online Publication Date
    2020-03-05
    Print Publication Date
    2020-03-06
    Permanent link to this record
    http://hdl.handle.net/10754/661949
    
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    Show full item record
    Abstract
    Stacking solar cells with decreasing band gaps to form tandems presents the possibility of overcoming the single-junction Shockley-Queisser limit in photovoltaics. The rapid development of solution-processed perovskites has brought perovskite single-junction efficiencies >20%. However, this process has yet to enable monolithic integration with industry-relevant textured crystalline silicon solar cells. We report tandems that combine solution-processed micrometer-thick perovskite top cells with fully textured silicon heterojunction bottom cells. To overcome the charge-collection challenges in micrometer-thick perovskites, we enhanced threefold the depletion width at the bases of silicon pyramids. Moreover, by anchoring a self-limiting passivant (1-butanethiol) on the perovskite surfaces, we enhanced the diffusion length and further suppressed phase segregation. These combined enhancements enabled an independently certified power conversion efficiency of 25.7% for perovskite-silicon tandem solar cells. These devices exhibited negligible performance loss after a 400-hour thermal stability test at 85°C and also after 400 hours under maximum power point tracking at 40°C.
    Citation
    Hou, Y., Aydin, E., De Bastiani, M., Xiao, C., Isikgor, F. H., Xue, D.-J., … Sargent, E. H. (2020). Efficient tandem solar cells with solution-processed perovskite on textured crystalline silicon. Science, 367(6482), 1135–1140. doi:10.1126/science.aaz3691
    Sponsors
    This publication is based upon work 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 URF/1/3383, and KAUST OSR-CRG2018-3737, and in part on work supported by the U.S. Department of the Navy, Office of Naval Research (grant award no. N00014-17-1-2524). This work was authored in part by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U.S. Department of Energy (DOE) under contract no. DE-AC36-08GO28308 (De-risking Halide Perovskite Solar Cells program of the National Center for Photovoltaics, funded by the DOE Office of Energy Efficiency and Renewable Energy, Solar Energy Technologies Office). The views expressed in the article do not necessarily represent the views of the DOE or the U.S. government. The U.S. government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. government purposes. This work has been partially supported by NSF MRI (1428992), the U.S.-Egypt Science and Technology (S&T) Joint Fund, and the EDA University Center Program (ED18DEN3030025). This work is derived from the subject data supported in whole or part by NAS and USAID, and any opinions, findings, conclusions, or recommendations expressed in the paper are those of the authors alone, and do not necessarily reflect the views of USAID or NAS.
    Publisher
    American Association for the Advancement of Science (AAAS)
    Journal
    Science
    DOI
    10.1126/science.aaz3691
    Additional Links
    https://www.sciencemag.org/lookup/doi/10.1126/science.aaz3691
    ae974a485f413a2113503eed53cd6c53
    10.1126/science.aaz3691
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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