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  • Preparation of 1T'-Phase ReS2xSe2(1-x) (x = 0-1) Nanodots for Highly Efficient Electrocatalytic Hydrogen Evolution Reaction

    Author(s)
    Lai, Zhuangchai
    Chaturvedi, Apoorva
    Wang, Yun
    Thu, Ha Tran
    Liu, Xiaozhi
    Tan, Chaoliang
    Luo, Zhimin
    Chen, Bo
    Huang, Ying
    Nam, Gwang-Hyeon
    Zhang, Zhicheng
    Chen, Ye
    Hu, Zhaoning
    Li, Bing
    Xi, Shibo
    Zhang, Qinghua
    Zong, Yun
    Gu, Lin
    Kloc, Christian
    Du, Yonghua
    Zhang, Hua
    Griffith University Author(s)
    Wang, Yun
    Year published
    2018
    Metadata
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    Abstract
    As a source of clean energy, a reliable hydrogen evolution reaction (HER) requires robust and highly efficient catalysts. Here, by combining chemical vapor transport and Li-intercalation, we have prepared a series of 1T′-phase ReS2xSe2(1-x) (x = 0–1) nanodots to achieve high-performance HER in acid medium. Among them, the 1T′-phase ReSSe nanodot exhibits the highest hydrogen evolution activity, with a Tafel slope of 50.1 mV dec–1 and a low overpotential of 84 mV at current density of 10 mA cm–2. The excellent hydrogen evolution activity is attributed to the optimal hydrogen absorption energy of the active site induced by the ...
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    As a source of clean energy, a reliable hydrogen evolution reaction (HER) requires robust and highly efficient catalysts. Here, by combining chemical vapor transport and Li-intercalation, we have prepared a series of 1T′-phase ReS2xSe2(1-x) (x = 0–1) nanodots to achieve high-performance HER in acid medium. Among them, the 1T′-phase ReSSe nanodot exhibits the highest hydrogen evolution activity, with a Tafel slope of 50.1 mV dec–1 and a low overpotential of 84 mV at current density of 10 mA cm–2. The excellent hydrogen evolution activity is attributed to the optimal hydrogen absorption energy of the active site induced by the asymmetric S vacancy in the highly asymmetric 1T′ crystal structure.
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    Journal Title
    Journal of the American Chemical Society
    Volume
    140
    Issue
    27
    DOI
    https://doi.org/10.1021/jacs.8b04513
    Subject
    Chemical sciences
    Other chemical sciences not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/382489
    Collection
    • Journal articles

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