A Ni-loaded, metal-organic framework-graphene composite as a precursor for in situ electrochemical deposition of a highly active and durable water oxidation nanocatalyst

Research output: Contribution to journalArticleScientificpeer-review

Researchers

  • Mohamed H. Hassan
  • Ahmed B. Soliman
  • Worood A. Elmehelmey
  • Arwa A. Abugable
  • Stavros G. Karakalos
  • Mady Elbahri

  • Abdou Hassanien
  • Mohamed H. Alkordi

Research units

  • Zewail City of Science and Technology
  • University of South Carolina
  • J. Stefan Institute

Abstract

A novel approach to construct a highly active and durable Ni(OH)2 nanoparticle/graphene hybrid electrocatalyst for the oxygen-evolution reaction (OER) is reported. This approach utilized the Ni-loaded, graphene-supported, Zr-carboxylate metal-organic framework (UiO-66-NH2-Ni@G) as a sacrificial pre-catalyst to engender the true catalyst in an electrochemical surface restructuring process. This has resulted in an exceptionally active (η10 = 0.38 V vs. RHE) and highly durable OER catalyst, and can potentially be employed as a viable facile alternative to the commonly utilized pyrolysis of MOFs, to access heterogenous catalysts for demanding electrochemically-promoted reactions.

Details

Original languageEnglish
Pages (from-to)31-34
Number of pages4
JournalChemical Communications
Volume55
Issue number1
Publication statusPublished - 1 Jan 2019
MoE publication typeA1 Journal article-refereed

    Research areas

  • OXYGEN-EVOLUTION, FACILE SYNTHESIS, NICKEL, ELECTROCATALYSTS, CARBON, RAMAN, SPECTROSCOPY, ELECTRODES, POLYMERS, SPECTRA

ID: 30782934