articleAdvanced Functional MaterialsAug 25, 2017Closed access

Metal‐Organic Frameworks Derived Nanotube of Nickel–Cobalt Bimetal Phosphides as Highly Efficient Electrocatalysts for Overall Water Splitting

LYLiting YanLCLei CaoPDPengcheng DaiXGXin GuDLDandan Liu

China University of Petroleum, East China

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Abstract

Abstract The design of highly efficient, stable, and noble‐metal‐free bifunctional electrocatalysts for overall water splitting is critical but challenging. Herein, a facile and controllable synthesis strategy for nickel–cobalt bimetal phosphide nanotubes as highly efficient electrocatalysts for overall water splitting via low‐temperature phosphorization from a bimetallic metal‐organic framework (MOF‐74) precursor is reported. By optimizing the molar ratio of Co/Ni atoms in MOF‐74, a series of Co x Ni y P catalysts are synthesized, and the obtained Co4Ni1P has a rare form of nanotubes that possess similar morphology to the MOF precursor and exhibit perfect dispersal of the active sites. The nanotubes show…

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Topics & keywords

Topics
Keywords
  • Phosphide
  • Materials science
  • Bimetal
  • Water splitting
  • Bimetallic strip
  • Oxygen evolution
  • Catalysis
  • Nickel
UN Sustainable Development Goals
  • Clean water and sanitation
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