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- W2891495887 abstract "• Cu-Ni-CoSe x porous nanocubes were synthesized via a facile selenylation process. • These multicomponent selenides possessed excellent electocatalytic properties. • The PCE of Cu-Ni-CoSe x (9.74%) was much higher than that of Pt (8.19%) in DSSCs. • Cu-Ni-CoSe x also performed superior catalytic activity for alkaline HERs. A series of porous cubic nanomaterials have been prepared through a facile one-step selenylation process, in which Cu-Ni-Co, Ni-Co and Cu-Co Prussian-blue analog nanocubes transformed to Cu-Ni-CoSe x , Ni-CoSe x and Cu-CoSe x nanocubes, respectively. Among these samples, the quaternary porous nanocubes (Cu-Ni-CoSe x ) proved to be the excellent bifunctional electrocatalysts in dye-sensitized solar cells and hydrogen evolution reactions. Under the standard irradiation, Cu-Ni-CoSe x nanocubes exhibited a high power conversion efficiency of 9.74% in solar cells, which was much superior than that of Pt (8.19%). Cu-Ni-CoSe x nanocubes also delivered superb hydrogen evolution performance in terms of a low overpotential (50.2 mV) under the current density of 10 mA cm −2 and a low Tafel slope (49.6 mV dec −1 ) in alkaline medium. The outstanding characteristics of Cu-Ni-CoSe x nanocubes were benefited from their uniform sizes, porous morphologies, high surface area, low charge transfer resistances and good synergies among multiple elements." @default.
- W2891495887 created "2018-09-27" @default.
- W2891495887 creator A5002322046 @default.
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- W2891495887 date "2019-02-01" @default.
- W2891495887 modified "2023-09-26" @default.
- W2891495887 title "Cu-Ni-CoSex quaternary porous nanocubes as enhanced Pt-free electrocatalysts for highly efficient dye-sensitized solar cells and hydrogen evolution in alkaline medium" @default.
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- W2891495887 doi "https://doi.org/10.1016/j.cej.2018.09.116" @default.
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