4.7 Article

Cobalt- doped hematite thin films for electrocatalytic water oxidation in highly acidic media

Journal

CHEMICAL COMMUNICATIONS
Volume 55, Issue 34, Pages 5017-5020

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc01369e

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Funding

  1. Uppsala University
  2. Angstrom Microstructure Laboratory at Uppsala University
  3. Rontgenlab at the Department of Chemistry-Angstrom at Uppsala University
  4. Umea Core Facility for Electron Microscopy (UCEM-NMI node) at Umea University
  5. XPS Platform at the Chemical Biological Centre (KBC) at Umea University

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Earth-abundant cobalt-doped hematite thin-film electrocatalysts were explored for acidic water oxidation. The strategically doped hematite produced a stable geometric current density of 10 mA cm(-2) for up to 50 h at pH 0.3, as a result of Co-enhanced intrinsic catalytic activity and charge transport properties across the film matrix.

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