ETS-10 supported Au nanoparticles for solvent-free oxidation of 1-phenylethanol with oxygen

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Abstract

Au nanoparticles (NPs) were uniformly dispersed on ETS-10 titanosilicate using the cation exchange procedure and [Au(NH3)4](NO 3)3 complex as the gold source. [Au(NH3) 4]3+ cations were first introduced inside ETS-10 micropores, ligands were then released, Au3+ was reduced to Au + forming electron-deficient Au clusters, and finally aggregation to Au NPs occurred. In comparison to the incipient-wetness and deposition- precipitation methods, the ion-exchange led to greater activity of the Au NPs in the oxidation of 1-phenylethanol by oxygen. Graphical Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)860-865
Number of pages6
JournalCatalysis Letters
Volume141
Issue number6
DOIs
StatePublished - Jun 2011

Keywords

  • 1-Phenylethanol
  • ETS-10
  • Gold nanoparticles
  • Solvent-free oxidation
  • [Au(NH)](NO )

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