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    One-Step Spray-Coated All-Inorganic CsPbI2Br Perovskite Solar Cells
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    • Yu-Tien Yu
      Yu-Tien Yu
      Department of Chemical and Materials Engineering, National Central University, Taoyuan 32001, Taiwan
      More by Yu-Tien Yu
    • Shun-Hsiang Yang
      Shun-Hsiang Yang
      Department of Chemical and Materials Engineering, National Central University, Taoyuan 32001, Taiwan
      More by Shun-Hsiang Yang
    • Li-Hui Chou
      Li-Hui Chou
      Department of Chemical and Materials Engineering, National Central University, Taoyuan 32001, Taiwan
      Applied Chemistry Program, Graduate School of Advance Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
      More by Li-Hui Chou
    • Itaru Osaka
      Itaru Osaka
      Applied Chemistry Program, Graduate School of Advance Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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      Orcidhttps://orcid.org/0000-0002-9879-2098
    • Xiao-Feng Wang
      Xiao-Feng Wang
      Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, China
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    • Cheng-Liang Liu*
      Cheng-Liang Liu
      Department of Materials Science and Engineering, National Taiwan University, Taipei 10617, Taiwan
      *Email: [email protected]
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      Orcidhttps://orcid.org/0000-0002-8778-5386
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    ACS Applied Energy Materials

    Cite this: ACS Appl. Energy Mater. 2021, 4, 6, 5466–5474
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    https://doi.org/10.1021/acsaem.1c00054
    Published May 23, 2021
    Copyright © 2021 American Chemical Society
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    Abstract

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    Here, we report a scalable ultrasonic spray deposition under ambient conditions to fabricate a CsPbI2Br-based all-inorganic perovskite thin film for photovoltaic applications. With the cooperated aid of vacuum extraction of the as-fabricated perovskite film and the incorporation of lead(II) acetate (Pb(Ac)2) additive to the precursor solution, the quality of the perovskite film dramatically improved from the filled pinholes between the crystal grain with enhanced perovskite crystallinity. We found that the champion device for the 5% Pb(Ac)2-doped CsPbI2Br perovskite film combined with vacuum extraction achieved the best power conversion efficiency (PCE) of 10.06%, arising from the efficient defect dissipation within the film and the reduction in the charge recombination loss. Simultaneously, the thermal stability was boosted with the incorporation of Pb(Ac)2 after aging at 85 °C for 10 days. We believe that the spray-coating process combined with the optimization of the all-inorganic perovskite film will help in the fabrication of a photoabsorbing layer for the future industrial upscaling of perovskite solar cells.

    Copyright © 2021 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acsaem.1c00054.

    • Photograph and XRD patterns of the spray-coated CsPbI2Br perovskite film with vacuum-assisted thermal annealing; schematic illustration of the one-step spray-deposited perovskite films; forward and reverse scans of J–V curves; AFM images and UPS spectra of the spray-deposited CsPbI2Br perovskite film (PDF)

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    This article is cited by 18 publications.

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    2. WonJo Jeong, Su Ryong Ha, Ji Won Jang, Moon-Ki Jeong, MD. Waseem Hussain, Hyungju Ahn, Hyosung Choi, In Hwan Jung. Simple-Structured Low-Cost Dopant-Free Hole-Transporting Polymers for High-Stability CsPbI2Br Perovskite Solar Cells. ACS Applied Materials & Interfaces 2022, 14 (11) , 13400-13409. https://doi.org/10.1021/acsami.2c01216
    3. David Sunghwan Lee, Min Jeong Ki, Hyong Joon Lee, Jin Kyoung Park, Seok Yeong Hong, Bong Woo Kim, Jin Hyuck Heo, Sang Hyuk Im. Fully Scalable and Stable CsPbI2Br Solar Cells Realized by an All-Spray-Coating Process. ACS Applied Materials & Interfaces 2022, 14 (6) , 7926-7935. https://doi.org/10.1021/acsami.1c21644
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    8. G.H. Mustafa, Neelam Minhas, Harjot Singh, Janpreet Singh, Gurinder Singh, Aman Kaura, J.K. Goswamy. Lattice softness regulates recombination and lifetime of carrier in Germanium doped CsPbI2Br perovskite: First principles DFT and NAMD simulations. Journal of Solid State Chemistry 2023, 322 , 123981. https://doi.org/10.1016/j.jssc.2023.123981
    9. Lei Chen, Tianxiao Liu, Heng Yu, Zhifang Zhang, Chaochao Qin, Na Zhang, Leiming Yu, Feng Yang, Guilin Song, Zhiyong Liu. Modulated crystallization and enhanced stable of high efficient perovskite solar cells with Pb(Ac)2. Journal of Alloys and Compounds 2023, 942 , 168924. https://doi.org/10.1016/j.jallcom.2023.168924
    10. Tarek I. Alanazi. Current spray-coating approaches to manufacture perovskite solar cells. Results in Physics 2023, 44 , 106144. https://doi.org/10.1016/j.rinp.2022.106144
    11. Xin Liu, Jie Li, Xumei Cui, Xiao Wang, Dingyu Yang. Strategies for the preparation of high-performance inorganic mixed-halide perovskite solar cells. RSC Advances 2022, 12 (51) , 32925-32948. https://doi.org/10.1039/D2RA05535J
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    13. Nicola Calisi, Emanuele Galvanetto, Francesca Borgioli, Stefano Mauro Martinuzzi, Tiberio Bacci, Stefano Caporali. Thin films deposition of fully inorganic metal halide perovskites: A review. Materials Science in Semiconductor Processing 2022, 147 , 106721. https://doi.org/10.1016/j.mssp.2022.106721
    14. Li-Hui Chou, Julian M. W. Chan, Cheng-Liang Liu. Progress in Spray Coated Perovskite Films for Solar Cell Applications. Solar RRL 2022, 6 (4) https://doi.org/10.1002/solr.202101035
    15. Santosh Kachhap, Sachin Singh, Akhilesh Kumar Singh, Sunil Kumar Singh. Lanthanide-doped inorganic halide perovskites (CsPbX 3 ): novel properties and emerging applications. Journal of Materials Chemistry C 2022, 10 (10) , 3647-3676. https://doi.org/10.1039/D1TC05506B
    16. Miao He, Miao Wu, Duofa Wang, Tianjin Zhang. Effectively Inhibit Phase Separation to Improve Efficiency and Stability of All-Inorganic Planar CsPbIBr2 Perovskite Solar Cells. Journal of Renewable Materials 2022, 10 (11) , 2883-2894. https://doi.org/10.32604/jrm.2022.020535
    17. Chenxin Ran, Yue Wang, Weiyin Gao, Yingdong Xia, Yonghua Chen, Wei Huang. Lead Sources in Perovskite Solar Cells: Toward Controllable, Sustainable, and Large‐Scalable Production. Solar RRL 2021, 5 (12) https://doi.org/10.1002/solr.202100665
    18. Zeyang Zhang, Yanshuang Ba, Dandan Chen, Junxiao Ma, Weidong Zhu, He Xi, Dazheng Chen, Jincheng Zhang, Chunfu Zhang, Yue Hao. Generic Water-Based Spray-Assisted Growth for Scalable, High-Efficiency Carbon-Electrode, All-Inorganic Perovskite Solar Cells. SSRN Electronic Journal 2021, 131 https://doi.org/10.2139/ssrn.3904962
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    ACS Applied Energy Materials

    Cite this: ACS Appl. Energy Mater. 2021, 4, 6, 5466–5474
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsaem.1c00054
    Published May 23, 2021
    Copyright © 2021 American Chemical Society
    Request reuse permissions

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