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Photovoltaic Switching Mechanism in Lateral Structure Hybrid Perovskite Solar Cells

Yongbo YuanDepartment of Mechanical and Materials Engineering University of Nebraska‐Lincoln Lincoln NE 68588‐0656 USAJungseok ChaeCenter for Nanoscale Science and Technology National Institute of Standards and Technology 100 Bureau Drive Gaithersburg MD 20899 USAYuchuan ShaoDepartment of Mechanical and Materials Engineering University of Nebraska‐Lincoln Lincoln NE 68588‐0656 USAQi WangDepartment of Mechanical and Materials Engineering University of Nebraska‐Lincoln Lincoln NE 68588‐0656 USAZhengguo XiaoDepartment of Mechanical and Materials Engineering University of Nebraska‐Lincoln Lincoln NE 68588‐0656 USAAndrea CentroneCenter for Nanoscale Science and Technology National Institute of Standards and Technology 100 Bureau Drive Gaithersburg MD 20899 USAJinsong HuangDepartment of Mechanical and Materials Engineering University of Nebraska‐Lincoln Lincoln NE 68588‐0656 USA

2015en

ABI

Annotatsiya

Long range electromigration of methylammonium ions (MA+) in methyl ammonium lead tri-iodide (MAPbI3) film is observed directly using the photothermal induced resonance technique. The electromigration of MA+ leads to the formation of a lateral p-i-n structure, which is the origin of the switchable photovoltaic effect in MAPbI3 perovskite devices. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.

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DOI: 10.1002/aenm.201500615

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