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  • Fully printable hole-conductor-free mesoscopic perovskite solar cells based on mesoporous anatase single crystals

    Author(s)
    Xiong, Yuli
    Liu, Yong
    Lan, Kun
    Mei, Anyi
    Sheng, Yusong
    Zhao, Dongyuan
    Han, Hongwei
    Griffith University Author(s)
    Zhao, Dongyuan
    Year published
    2018
    Metadata
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    Abstract
    Mesoporous anatase singe crystal provides a large surface area and less carrier traps as compared to polycrystals; however, it is generally prepared with a particle size in micrometers by a complex method; this hinders its application as electron transport materials (ETMs) for mesoscopic perovskite solar cells (MPSCs). Herein, we fabricated a small-sized mesoporous anatase single crystal with a large surface area (169 m2 g−1) and an oliver-shape (about 120 nm in length and 60 nm in width) by a simple method and applied it as an ETM into a hole-conductor-free fully printable MPSC. As expected, a high-quality film was formed, ...
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    Mesoporous anatase singe crystal provides a large surface area and less carrier traps as compared to polycrystals; however, it is generally prepared with a particle size in micrometers by a complex method; this hinders its application as electron transport materials (ETMs) for mesoscopic perovskite solar cells (MPSCs). Herein, we fabricated a small-sized mesoporous anatase single crystal with a large surface area (169 m2 g−1) and an oliver-shape (about 120 nm in length and 60 nm in width) by a simple method and applied it as an ETM into a hole-conductor-free fully printable MPSC. As expected, a high-quality film was formed, and the device showed an obvious increase in efficiency as compared to the P25 (commercial TiO2)-based device due to the faster electron extraction from perovskite to the ETM. This suggests that the mesoporous anatase single crystal is a promising ETM candidate for producing efficient fully-printable hole-conductor-free MPSCs.
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    Journal Title
    NEW JOURNAL OF CHEMISTRY
    Volume
    42
    Issue
    4
    DOI
    https://doi.org/10.1039/c7nj04448h
    Subject
    Chemical sciences
    Publication URI
    http://hdl.handle.net/10072/385659
    Collection
    • Journal articles

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