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Out-of-equilibrium processes in crystallization of organic-inorganic perovskites during spin coating

Author

Listed:
  • Shambhavi Pratap

    (Physik-Department, Lehrstuhl für Funktionelle Materialien, Technische Universität München
    Advanced Light Source, Lawrence Berkeley National Laboratory)

  • Finn Babbe

    (Chemical Sciences Division, Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory)

  • Nicola S. Barchi

    (Chemical Sciences Division, Lawrence Berkeley National Laboratory
    Laboratoire des Matériaux Semiconducteurs, École Polytechnique Fédérale de Lausanne)

  • Zhenghao Yuan

    (Chemical Sciences Division, Lawrence Berkeley National Laboratory
    The Pennsylvania State University)

  • Tina Luong

    (Chemical Sciences Division, Lawrence Berkeley National Laboratory)

  • Zach Haber

    (Chemical Sciences Division, Lawrence Berkeley National Laboratory)

  • Tze-Bin Song

    (Chemical Sciences Division, Lawrence Berkeley National Laboratory)

  • Jonathan L. Slack

    (Advanced Light Source, Lawrence Berkeley National Laboratory)

  • Camelia V. Stan

    (Advanced Light Source, Lawrence Berkeley National Laboratory
    NIF & Photon Science, Lawrence Livermore National Laboratory)

  • Nobumichi Tamura

    (Advanced Light Source, Lawrence Berkeley National Laboratory)

  • Carolin M. Sutter-Fella

    (Chemical Sciences Division, Lawrence Berkeley National Laboratory
    Molecular Foundry, Lawrence Berkeley National Laboratory)

  • Peter Müller-Buschbaum

    (Physik-Department, Lehrstuhl für Funktionelle Materialien, Technische Universität München
    Heinz Maier-Leibnitz-Zentrum, Technische Universität München)

Abstract

Complex phenomena are prevalent during the formation of materials, which affect their processing-structure-function relationships. Thin films of methylammonium lead iodide (CH3NH3PbI3, MAPI) are processed by spin coating, antisolvent drop, and annealing of colloidal precursors. The structure and properties of transient and stable phases formed during the process are reported, and the mechanistic insights of the underlying transitions are revealed by combining in situ data from grazing-incidence wide-angle X-ray scattering and photoluminescence spectroscopy. Here, we report the detailed insights on the embryonic stages of organic-inorganic perovskite formation. The physicochemical evolution during the conversion proceeds in four steps: i) An instant nucleation of polydisperse MAPI nanocrystals on antisolvent drop, ii) the instantaneous partial conversion of metastable nanocrystals into orthorhombic solvent-complex by cluster coalescence, iii) the thermal decomposition (dissolution) of the stable solvent-complex into plumboiodide fragments upon evaporation of solvent from the complex and iv) the formation (recrystallization) of cubic MAPI crystals in thin film.

Suggested Citation

  • Shambhavi Pratap & Finn Babbe & Nicola S. Barchi & Zhenghao Yuan & Tina Luong & Zach Haber & Tze-Bin Song & Jonathan L. Slack & Camelia V. Stan & Nobumichi Tamura & Carolin M. Sutter-Fella & Peter Mül, 2021. "Out-of-equilibrium processes in crystallization of organic-inorganic perovskites during spin coating," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-25898-5
    DOI: 10.1038/s41467-021-25898-5
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    Cited by:

    1. Daming Zheng & Florian Raffin & Polina Volovitch & Thierry Pauporté, 2022. "Control of perovskite film crystallization and growth direction to target homogeneous monolithic structures," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Rui Wang & Xiaoyu Liu & Shan Yan & Ni Meng & Xinmin Zhao & Yu Chen & Hongxiang Li & Saif M. H. Qaid & Shaopeng Yang & Mingjian Yuan & Tingwei He, 2024. "Efficient wide-bandgap perovskite photovoltaics with homogeneous halogen-phase distribution," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Nian Li & Shambhavi Pratap & Volker Körstgens & Sundeep Vema & Lin Song & Suzhe Liang & Anton Davydok & Christina Krywka & Peter Müller-Buschbaum, 2022. "Mapping structure heterogeneities and visualizing moisture degradation of perovskite films with nano-focus WAXS," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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