Reverse micelle synthesis of perovskite oxide nanoparticles

M. Ali Haider, Aaron J. Capizzi, Mitsuhiro Murayama, Steven McIntosh

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

La0.6Sr0.4CoxFe1-xO 3-δ (LSCF), La0.6Sr0.4Cu 0.2Fe0.8O3-δ, Ba0.5Sr 0.4Co0.8Fe0.2O3-δ and LaFeO3-δ nanoparticles were synthesized by a reverse micelle procedure. Controlling the size of the micelles through the water:oil phase ratio enabled synthesis of phase pure perovskite particles with average sizes from 14 nm to 50 nm. Small amounts of an impurity phase, likely cobalt oxide, were detected in the XRD spectrum of high cobalt content samples of LSCF (x = 0.8). La0.6Sr0.4Co0.2Fe0.8O 3-δ nanoparticles were utilized to coat the surface of a dense thin-film La0.6Sr0.4Co0.2Fe0.8O 3-δ solid oxide fuel cell cathode. The polarization resistance of the nanoparticle coated electrode, measured at open circuit in air at 973 K, was 20% lower than an equivalent un-coated electrode.

Original languageEnglish
Pages (from-to)65-72
Number of pages8
JournalSolid State Ionics
Volume196
Issue number1
DOIs
Publication statusPublished - Aug 11 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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