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Self-Assembly Precursor-Derived MoP Supported on N,P-Codoped Reduced Graphene Oxides as Efficient Catalysts for Hydrogen Evolution Reaction
journal contribution
posted on 2018-10-23, 18:01 authored by Juntao Zhang, Xingdong Wang, Yanrong Xue, Zhiyuan Xu, Jiajing Pei, Zhongbin ZhuangThe design and synthesis
of high-activity earth-abundant material-based electrocatalysts for
hydrogen evolution reaction (HER) are of great significance. Here
we develop a novel method to prepare a MoP nanoparticle supported
on N,P-codoped reduced graphene oxides (MoP/N,P-rGO) by pyrolysis
of the self-assembled precursor. Benefiting from the selected components
of the assembly, P and N atoms are mixed at the molecular level, which
leads to MoP nanoparticles uniformly attaching to the graphene substrate
and a certain amount of N and P atoms codoping to graphene. The obtained
MoP/N,P-rGO exhibits a good HER performance that only needs an overpotential
of 115 mV to achieve a HER current density of 10 mA cm–2. The enhanced HER performance is due to the well-dispersed MoP nanoparticles
and the synergistic effect from the doped graphene substrate. It shows
that the selected functional components integrated by the self-assembly
process are appropriate precursors for the synthesis of high-quality
HER electrocatalysts.