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  • Sequential Superassembly of Nanofiber Arrays to Carbonaceous Ordered Mesoporous Nanowires and Their Heterostructure Membranes for Osmotic Energy Conversion

    Author(s)
    Xie, Lei
    Zhou, Shan
    Liu, Jinrong
    Qiu, Beilei
    Liu, Tianyi
    Liang, Qirui
    Zheng, Xiaozhong
    Li, Ben
    Zeng, Jie
    Yan, Miao
    He, Yanjun
    Zhang, Xin
    Zeng, Hui
    Zhao, Dongyuan
    et al.
    Griffith University Author(s)
    Zhao, Dongyuan
    Year published
    2021
    Metadata
    Show full item record
    Abstract
    The capture of sustainable energy from a salinity gradient, in particular, using renewable biomass-derived functional materials, has attracted significant attention. In order to convert osmotic energy to electricity, many membrane materials with nanofluidic channels have been developed. However, the high cost, complex preparation process, and low output power density still restrict the practical application of traditional membranes. Herein, we report the synthesis of highly flexible and mechanically robust nanofiber-arrays-based carbonaceous ordered mesoporous nanowires (CMWs) through a simple and straightforward soft-templating ...
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    The capture of sustainable energy from a salinity gradient, in particular, using renewable biomass-derived functional materials, has attracted significant attention. In order to convert osmotic energy to electricity, many membrane materials with nanofluidic channels have been developed. However, the high cost, complex preparation process, and low output power density still restrict the practical application of traditional membranes. Herein, we report the synthesis of highly flexible and mechanically robust nanofiber-arrays-based carbonaceous ordered mesoporous nanowires (CMWs) through a simple and straightforward soft-templating hydrothermal carbonization approach. This sequential superassembly strategy shows a high yield and great versatility in controlling the dimensions of CMWs with the aspect ratio changes from about 3 to 39. Furthermore, these CMWs can be used as novel building blocks to construct functional hybrid membranes on macroporous alumina. This nanofluidic membrane with asymmetric geometry and charge polarity exhibits low resistance and high-performance energy conversion. This work opens a solution-based route for the one-pot preparation of CMWs and functional heterostructure membranes for various applications.
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    Journal Title
    Journal of the American Chemical Society
    DOI
    https://doi.org/10.1021/jacs.1c00547
    Note
    This publication has been entered as an advanced online version in Griffith Research Online.
    Subject
    Chemical sciences
    Publication URI
    http://hdl.handle.net/10072/404196
    Collection
    • Journal articles

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