Preparation and characterization of porous CeO2 using ionic liquids

Kye Sang Yoo, Bu Ho Lee

Research output: Contribution to journalArticlepeer-review

Abstract

Synthesis of porous CeO2 particles was investigated using various ionic liquids (ILs) as an effective template. The pore structure and crystalline phase of CeO2 particles was affected significantly by the composition of ionic liquids. The strength of the hydrogen bonds on the anion part of ionic liquid was an essential factor to form the pore architecture of CeO2 particles. Moreover, the length of alkyl group on the cation part of ionic liquid determined the pore size and surface area of CeO2 particles. Among the ionic liquids, it was found that 1-Buthyl-3-methylimidazolium hexafluorophosphate ([Bmim][PF6]) was the most effective ionic liquid to synthesize the porous CeO2 particle.

Original languageEnglish
Pages (from-to)313-316
Number of pages4
JournalApplied Chemistry for Engineering
Volume20
Issue number3
StatePublished - Jun 2009

Keywords

  • 1-buthyl-3-methylimidazolium hexafluorophosphate
  • Ionic liquid
  • Porous CeO2

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