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Advanced Materials

Spirocyclic Aromatic Hydrocarbon-Based Organic Nanosheets for Eco-Friendly Aqueous Processed Thin-Film Non-Volatile Memory Devices

Authors

  • Zong-Qiong Lin,

    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
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  • Jin Liang,

    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
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  • Peng-Ju Sun,

    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
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  • Feng Liu,

    1. Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics & Information Displays, Institute of Advanced Materials, Nanjing University of Technology, Nanjing 211816, P. R. China
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  • Yee-Yan Tay,

    1. Facility for Analysis Characterization, Testing, Simulation (FACTS), Nanyang Technological University, Singapore 639798, Singapore
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  • Ming-Dong Yi,

    Corresponding author
    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
    • Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China.
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  • Kun Peng,

    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
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  • Xian-Hai Xia,

    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
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  • Ling-Hai Xie,

    Corresponding author
    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
    • Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China.
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  • Xin-Hui Zhou,

    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
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  • Jian-Feng Zhao,

    1. Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics & Information Displays, Institute of Advanced Materials, Nanjing University of Technology, Nanjing 211816, P. R. China
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  • Wei Huang

    Corresponding author
    1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China
    2. Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics & Information Displays, Institute of Advanced Materials, Nanjing University of Technology, Nanjing 211816, P. R. China
    • Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, P. R. China.
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Abstract

Supramolecular steric hindrance designs make pyrene-functionalized spiro[fluorene-9,7′-dibenzo[c,h]acridine]-5′-one (Py-SFDBAO) assemble into 2D nanostructures that facilitate aqueous phase large-area synthesis of high-quality and uniform crystalline thin films. Thin-film diodes using aqueous nanosheets as active layers exhibit a non-volatile bistable electrical switching feature with ON/OFF ratios of 6.0 × 104 and photoswitching with conductive gains of 102–103. Organic nanosheets are potentially key components for eco-friendly aqueous dispersed organic nano-inks in the application of printed and flexible electronics.

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