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- W2968357689 abstract "Abstract Considering the great application prospect of noble metal rhenium (Re) in the catalytic field derived from its intrinsic properties, exploring more novel and highly effective Re-based catalysts becomes an important topic. Herein, for the first time, we design a novel strategy for fabrication of Re2P and Re3P4 nanoparticles anchored in N, P doped vesicular carbon (NPVC) via pyrolyzing ammonium perrhenate (NH4ReO4), 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP) and melamine on the surface of SiO2 spheres. Choosing hydrogen evolution as a probe reaction, Re3P4@NPVC heterostructure exhibits highly efficient catalytic activity compared with as-synthesized samples, which rivals the commercial Pt/C. Concretely, the Tafel slope is 38, 77 and 62 mV dec−1, and overpotential is 40, 70 and 61 mV at 10 mA cm−2 in 0.5 M H2SO4, 1 M phosphate buffer solution and 1 M KOH, respectively. Both experiment and DFT calculation unambiguously validate that Coupling metal Re and P is able to promote the HER pathway by tuning the ΔGH* value close to the optimum, balancing adsorption and desorption of hydrogen. Besides, the electronic coupling of NPVC layer and NPs synergistically enhances the proton adsorption and reduction kinetics." @default.
- W2968357689 created "2019-08-22" @default.
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- W2968357689 date "2019-11-01" @default.
- W2968357689 modified "2023-10-18" @default.
- W2968357689 title "New vesicular carbon-based rhenium phosphides with all-pH range electrocatalytic hydrogen evolution activity" @default.
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- W2968357689 doi "https://doi.org/10.1016/j.apcatb.2019.117851" @default.
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