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    MXene-Modulated Electrode/SnO2 Interface Boosting Charge Transport in Perovskite Solar Cells

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    Type
    Article
    Authors
    Wang, Yunfan
    Xiang, Pan cc
    Ren, Aobo cc
    Lai, Huagui
    Zhang, Zhuoqiong
    Xuan, Zhipeng
    Wan, Zhenxi
    Zhang, Jingquan
    Hao, Xia
    Wu, Lili
    Sugiyama, Masakazu
    Schwingenschlögl, Udo cc
    Liu, Cai
    Tang, Zeguo cc
    Wu, Jiang cc
    Wang, Zhiming
    Zhao, Dewei cc
    KAUST Department
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2020-11-17
    Embargo End Date
    2021-11-17
    Submitted Date
    2020-09-27
    Permanent link to this record
    http://hdl.handle.net/10754/666036
    
    Metadata
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    Abstract
    Interface engineering is imperative to boost the extraction capability in perovskite solar cells (PSCs). We propose a promising approach to enhance the electron mobility and charge transfer ability of tin oxide (SnO2) electron transport layer (ETL) by introducing a two-dimensional carbide (MXene) with strong interface interaction. The MXene-modified SnO2 ETL also offers a preferable growth platform for perovskite films with reduced trap density. Through a spatially resolved imaging technique, profoundly reduced non-radiative recombination and charge transport losses in PSCs based on MXene-modified SnO2 are also observed. As a result, the PSC achieves an enhanced efficiency of 20.65% with ultralow saturated current density and negligible hysteresis. We provide an in-depth mechanistic understanding of MXene interface engineering, offering an alternative approach to obtain efficient PSCs.
    Citation
    Wang, Y., Xiang, P., Ren, A., Lai, H., Zhang, Z., Xuan, Z., … Zhao, D. (2020). MXene-Modulated Electrode/SnO2 Interface Boosting Charge Transport in Perovskite Solar Cells. ACS Applied Materials & Interfaces. doi:10.1021/acsami.0c17338
    Sponsors
    We would like to thank Dr. Yingming Zhu for SEM images capturing and analysis. This work was financially supported by the Science and Technology Program of Sichuan Province (nos. 2017GZ0052, 2019ZDZX0015, 2020YFH0079, and 2020JDJQ0030), the National Key Research, Development Program of China (no. 2019YFB2203400), the Fundamental Research Funds for the Central Universities (nos. YJ201722, YJ201955, and ZYGX2019Z018), the National Natural Science Foundation of China (no. 61974014), and China Postdoctoral Science Foundation (no. 232888). The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.0c17338
    PubMed ID
    33200937
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsami.0c17338
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.0c17338
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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