Electrodeposition of Supported Gadolinium-Doped Ceria SolidSolution Nanowires

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Abstract

Gadolinium-ceria solid solution nanowires with tunable composition have been prepared through template cathodic electrodepositionfrom solutions containing Ce3+/Gd3+ in a variable ratio. The employed template is Porous Anodic Alumina because it can functionas thermal resistant separator supporting the nanowires if used as ionic conductor in Solid Oxide Fuel Cell (SOFC). ScanningElectron Microscopy of the deposited nanostructures revealed that the use of ethanol as solvent and metal chloride as electrolyteallowed to prepare continuous, compact and well defined nanowires with morphological features stable even after thermal treatment.EDX compositional analysis confirms the presence of both Ce and Gd in the nanowires with an atomic ratio very close to the Ce/Gdin the electrodeposition bath. X-ray diffraction analysis and Raman Spectroscopy revealed the formation of a solid solution of Gd-Ceoxide nanowires.
Lingua originaleEnglish
Numero di pagine7
RivistaJournal of the Electrochemical Society
Volume159 (5) E108-E114 (2012)
Stato di pubblicazionePublished - 2012

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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