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Spontaneous‐Spin‐Polarized 2D π‐d Conjugated Frameworks Towards Enhanced Oxygen Evolution Kinetics

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Alternative strategies to design sustainable-element-based electrocatalysts enhancing oxygen evolution reaction (OER) kinetics are demanded to develop affordable yet highperformance waterelectrolyzers for green hydrogen production. Here, it is demonstrated that the spontaneous-spin-polarized two-dimensional π-d conjugated framework comprising abundant elements of nickel and iron with a ratio of Ni:Fe =1:4 with benzenehexathiol linker (BHT) can improve OER kinetics by its unique electronic property. Among the bimetallic NiFex:y-BHTs with various ratios with Ni:Fe = x:y, the NiFe1:4-BHT exhibits the highest OER activity. The NiFe1:4-BHT shows a specific current density of 140 A/g at the overpotential of 350 mV.

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Date published
  • 28/05/2024
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  • Title
    Small
    ISSN
    16136810
    Article number
    2401987
    Volume
    20
    Issue
    40
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  • Version of record (Published version)
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  • Funder identifier
    JPMXP1122712807
    Funder name
    Ministry of Education, Culture, Sports, Science and Technology
    Funder identifier
    110‐2222‐E‐006‐014‐MY3
    Funder name
    National Science and Technology Council
    Funder identifier
    19H05460
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    112‐2923‐E‐006‐004
    Funder name
    National Science and Technology Council

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