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  • Thermally Induced Crystallization of High Quality CH3NH3PbI3 Film with Large Grains for Highly Efficient Perovskite Solar Cells

    Author(s)
    Hou, Yu
    Yang, Shuang
    Chen, Xiao
    Li, Chunzhong
    Zhao, Huijun
    Yang, Hua Gui
    Griffith University Author(s)
    Zhao, Huijun
    Year published
    2017
    Metadata
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    Abstract
    Recently, fully covered and smooth perovskite films could be fabricated by optimized coating methods; however, it is still hard to prepare perovskite films with large grain sizes and high crystallinity. Given the fact that thermal energy can promote crystallization, we combine high-temperature crystallization with the application of a solvent featuring a high boiling point, in order to produce high quality perovskite films with micrometer-sized grains. We further investigated the temperature dependence of the thermally induced synthetic strategy, whereby the grains become larger as the temperature is elevated. After solar ...
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    Recently, fully covered and smooth perovskite films could be fabricated by optimized coating methods; however, it is still hard to prepare perovskite films with large grain sizes and high crystallinity. Given the fact that thermal energy can promote crystallization, we combine high-temperature crystallization with the application of a solvent featuring a high boiling point, in order to produce high quality perovskite films with micrometer-sized grains. We further investigated the temperature dependence of the thermally induced synthetic strategy, whereby the grains become larger as the temperature is elevated. After solar cell device fabrication, the efficiency of the best cell can attain a high value of 15.53 % with reduced hysteresis behavior.
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    Journal Title
    Chemistry - A European Journal
    Volume
    23
    Issue
    24
    DOI
    https://doi.org/10.1002/chem.201605693
    Subject
    Chemical sciences
    Macromolecular and materials chemistry not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/341627
    Collection
    • Journal articles

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