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  • Precisely Controlled Vertical Alignment in Mesostructured Carbon Thin Films for Efficient Electrochemical Sensing

    Author(s)
    Wang, Ruicong
    Lan, Kun
    Lin, Runfeng
    Jing, Xinxin
    Hung, Chin-Te
    Zhang, Xingmiao
    Liu, Liangliang
    Yang, Yi
    Chen, Gang
    Liu, Xiaoguo
    Fan, Chunhai
    El-Toni, Ahmed Mohamed
    Khan, Aslam
    Tang, Yun
    Zhao, Dongyuan
    Griffith University Author(s)
    Zhao, Dongyuan
    Year published
    2021
    Metadata
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    Abstract
    Two-dimensional carbon materials, incorporating a large mesoporosity, are attracting considerable research interest in various fields such as catalysis, electrochemistry, and energy-related technologies owing to their integrated functionalities. However, their potential applications, which require favorable mass transport within mesopore channels, are constrained by the undesirable and finite mesostructural configurations due to the immense synthetic difficulties. Herein, we demonstrate an oriented monomicelle assembly strategy, for the facile fabrication of highly ordered mesoporous carbon thin films with vertically aligned ...
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    Two-dimensional carbon materials, incorporating a large mesoporosity, are attracting considerable research interest in various fields such as catalysis, electrochemistry, and energy-related technologies owing to their integrated functionalities. However, their potential applications, which require favorable mass transport within mesopore channels, are constrained by the undesirable and finite mesostructural configurations due to the immense synthetic difficulties. Herein, we demonstrate an oriented monomicelle assembly strategy, for the facile fabrication of highly ordered mesoporous carbon thin films with vertically aligned and permeable mesopore channels. Such a facile and reproducible approach relies on the swelling and fusion effect of hydrophobic benzene homologues for directional monomicelle assembly. The orientation assembly process shows precise controllability and great universality, affording mesoporous carbon films with a cracking-free structure over a centimeter in size, highly tunable thicknesses (13 to 85 nm, an interval of ∼12 nm), mesopore size (8.4 to 13.5 nm), and switchable growth substrates. Owing to their large permeable mesopore channels, electrochemical sensors based on vertical mesoporous carbon films exhibit an ultralow limit of detection (50 nmol L-1) and great sensitivity in dopamine detection.
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    Journal Title
    ACS Nano
    DOI
    https://doi.org/10.1021/acsnano.1c01367
    Note
    This publication has been entered in Griffith Research Online as an advanced online version.
    Subject
    Nanotechnology
    2D carbon materials
    electrochemical sensing
    mesoporous materials
    oriented assembly
    vertical mesochannels
    Publication URI
    http://hdl.handle.net/10072/403722
    Collection
    • Journal articles

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