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In situ synthesis of quasi-needle-like bimetallic organic frameworks on highly porous graphene scaffolds for efficient electrocatalytic water oxidation

Nourmohammadi Khiarak, B ; Sharif University of Technology | 2020

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  1. Type of Document: Article
  2. DOI: 10.1039/c9cc09908e
  3. Publisher: Royal Society of Chemistry , 2020
  4. Abstract:
  5. We present enhanced electrocatalytic activity of three-dimensional graphene scaffolds by decoration with one-dimensional CoxNi1-x MOF nanostructures (0 ≤ x ≤ 1). The decreased overpotential and fast kinetics of the oxygen evolution reaction as compared with the existing materials are shown. The developed bimetallic MOF/3DG composites have great potential to be used in electrocatalytic water oxidation. This journal is © The Royal Society of Chemistry
  6. Keywords:
  7. Cobalt alloys ; Graphene ; Reaction kinetics ; Scaffolds ; Electrocatalytic activity ; Fast kinetics ; In-situ synthesis ; Overpotential ; Porous graphene ; Three-dimensional graphene ; Water oxidation ; Metal organic framework ; Adsorption ; Catalyst ; Chemical reaction ; Chronoamperometry ; Diffusion ; Electrocatalyst ; Energy dispersive X ray spectroscopy ; Fourier transform infrared spectroscopy ; Impedance spectroscopy ; Kinetic parameters ; Linear sweep voltammetry ; Oxygen evolution reaction ; Porosity ; Transmission electron microscopy ; X ray diffraction
  8. Source: Chemical Communications ; Volume 56, Issue 21 , 2020 , Pages 3135-3138
  9. URL: https://pubs.rsc.org/en/content/articlelanding/2020/cc/c9cc09908e#!divAbstract