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  • Facile synthesis of ultrathin metal-organic framework nanosheets for Lewis acid catalysis

    Author(s)
    Zhang, Xiaofei
    Chang, Lin
    Yang, Zhongjie
    Shi, Yanan
    Long, Chang
    Han, Jianyu
    Zhang, Binhao
    Qiu, Xueying
    Li, Guodong
    Tang, Zhiyong
    Griffith University Author(s)
    Tang, Zhiyong
    Year published
    2019
    Metadata
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    Abstract
    Ultrathin metal-organic framework (MOF) nanosheets are attracting great interest in catalysis due to their unique and intriguing two-dimensional (2D) features. Although many progresses have been achieved, it is still highly desirable to develop novel strategies for controllable synthesis of the well-defined ultrathin MOF nanosheets. Herein we report a polyvinylpyrrolidone (PVP)-assisted route to synthesize the ultrathin Ni-MOF nanosheets characteristic of 1.5 nm in thickness, in which PVP is reacted with 2-aminoterephthalic acid (H2BDC-NH2) via formation of C=N bond, followed by coordination with Ni2+ ions to form the ultrathin ...
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    Ultrathin metal-organic framework (MOF) nanosheets are attracting great interest in catalysis due to their unique and intriguing two-dimensional (2D) features. Although many progresses have been achieved, it is still highly desirable to develop novel strategies for controllable synthesis of the well-defined ultrathin MOF nanosheets. Herein we report a polyvinylpyrrolidone (PVP)-assisted route to synthesize the ultrathin Ni-MOF nanosheets characteristic of 1.5 nm in thickness, in which PVP is reacted with 2-aminoterephthalic acid (H2BDC-NH2) via formation of C=N bond, followed by coordination with Ni2+ ions to form the ultrathin MOF nanosheets. Impressively, when used in the Knoevenagel condensation reactions of propane dinitrile with different aldehydes, ultrathin Ni-MOF nanosheets display the significantly enhanced catalytic activity and good stability in respect with the bulk Ni-MOF, mainly owing to the exposed active sites as well as facile mass transfer and diffusion of substrates and products.
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    Journal Title
    NANO RESEARCH
    Volume
    12
    Issue
    2
    DOI
    https://doi.org/10.1007/s12274-018-2235-1
    Subject
    Nanotechnology
    Publication URI
    http://hdl.handle.net/10072/384245
    Collection
    • Journal articles

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