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- Title
Templated Synthesis of Nickel−Iron Layered Double Hydroxide for Enhanced Electrocatalytic Water Oxidation: Towards the Development of Non-Precious-Metal Catalysts.
- Authors
Yadav, Dharmendra Kumar; Ganesan, Vellaichamy; Sonkar, Piyush Kumar; Gupta, Rupali
- Abstract
Layered double hydroxides (LDHs) have recently attracted intense research attention because of their applications in the development of highly active and cost-effective electrocatalysts for the oxygen evolution reaction and in the fields of drug delivery, energy storage, for example. In this work, we report a cheap and simple route for the synthesis of nickel-iron LDH (Ni−Fe LDH) using an iron-based metal−organic framework, Fe-MIL-88 as a template. The prepared Ni−Fe LDH is characterized by scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy and X-ray diffraction techniques. Ni−Fe LDH is found to be highly active and stable for water oxidation in alkaline solution as compared to commercial Pt/C. The concept of using a metal−organic framework as a structure-directing agent to synthesize Ni−Fe LDH and the use of the material for the oxygen evolution reaction is explored for the first time.
- Subjects
WATER electrolysis; LAYERED double hydroxides; ELECTROCATALYSIS; OXIDATION of water; METAL catalysts; OXYGEN evolution reactions
- Publication
ChemElectroChem, 2017, Vol 4, Issue 12, p3134
- ISSN
2196-0216
- Publication type
Article
- DOI
10.1002/celc.201700867