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    Impact of Photoluminescence Reabsorption in Metal-Halide Perovskite Solar Cells

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    Name:
    Photorecycling_Solar RRL - revised_changes highlighted.pdf
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    2.248Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Wang, Mingcong cc
    Wang, Kai
    Gao, Yajun
    Khan, Jafar Iqbal
    Yang, Wenchao
    De Wolf, Stefaan cc
    Laquai, Frédéric cc
    KAUST Department
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Material Science and Engineering Program
    KAUST Grant Number
    OSR-2018-CARF/CCF-3079
    Date
    2021-03-26
    Submitted Date
    2021-01-12
    Permanent link to this record
    http://hdl.handle.net/10754/668186
    
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    Abstract
    The precise quantification of the impact of photoluminescence reabsorption (PLr) in metal-halide perovskite solar cells (PSCs) has remained challenging. Here, the PLr effect is examined by combined time-resolved photoluminescence (TRPL) spectroscopy and time-resolved terahertz spectroscopy (TRTS) and a model is proposed which relates both the PLr and non-radiative recombination rate (k$_{nr}$) to the quasi-Fermi-level-splitting (QFLS). PLr is shown to be beneficial for the QFLS when k$_{nr}$ is below a critical value of ∽7×10$^5$ s$^{−1}$; at high k$_{nr}$ PLr is detrimental to the QFLS. By incorporating PLr into a two-diode model that allows extraction of the effective k$_{nr}$, the series resistance (r$_s$), and the shunt resistance (r$_{sh}$) in PSCs, we find that neglecting PLr overestimates the effective k$_{nr}$, while it does not affect the value of r$_s$ and r$_{sh}$. Our findings provide insight into the impact of the PLr effect on metal-halide PSCs.
    Citation
    Wang, M., Wang, K., Gao, Y., Khan, J. I., Yang, W., De Wolf, S., & Laquai, F. (2021). Impact of Photoluminescence Reabsorption in Metal-Halide Perovskite Solar Cells. Solar RRL. doi:10.1002/solr.202100029
    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-CARF/CCF-3079. M.W. and F.L. thank Denis Andrienko and Julien Gorenflot for fruitful discussions and comments on the work.
    Publisher
    Wiley
    Journal
    Solar RRL
    DOI
    10.1002/solr.202100029
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1002/solr.202100029
    ae974a485f413a2113503eed53cd6c53
    10.1002/solr.202100029
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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