Novel preparation method and characterization of Au-Fe/HY zeolite containing highly stable gold nanoparticles inside zeolite supercages

D. Horváth, M. Polisset-Thfoin, J. Fraissard, L. Guczi

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A sample of 1%Au-0.5%Fe/HY was prepared by co-exchange in HY zeolite using iron(II)ethylenediammonium and Au(III)ethylenediamine complex-ions. Highly stable gold nanoparticles inside zeolite supercages were formed by autoreduction. Monometallic gold and iron samples were also prepared by ion exchange. 129Xe NMR and TEM studies revealed the presence of metallic gold nanoparticles along with iron cations inside the zeolite supercages. Neither the presence of metallic Au nor iron can be detected by X-ray photoelectron spectroscopy which is indicative of the presence of both metals inside the zeolite cavities. In the CO oxidation, the Au-Fe/Hy sample possessed the highest activity.

Original languageEnglish
Pages (from-to)153-156
Number of pages4
JournalSolid State Ionics
Volume141-142
DOIs
Publication statusPublished - May 1 2001

Fingerprint

Zeolites
Gold
Iron
gold
Nanoparticles
iron
nanoparticles
preparation
ethylenediamine
Carbon Monoxide
Cations
Ion exchange
ions
X ray photoelectron spectroscopy
Positive ions
Metals
Nuclear magnetic resonance
photoelectron spectroscopy
Ions
Transmission electron microscopy

Keywords

  • Xe NMR and TEM studies
  • CO oxidation
  • Gold in HY zeolite
  • Iron in HY zeolite

ASJC Scopus subject areas

  • Electrochemistry
  • Physical and Theoretical Chemistry
  • Energy Engineering and Power Technology
  • Materials Chemistry
  • Condensed Matter Physics

Cite this

Novel preparation method and characterization of Au-Fe/HY zeolite containing highly stable gold nanoparticles inside zeolite supercages. / Horváth, D.; Polisset-Thfoin, M.; Fraissard, J.; Guczi, L.

In: Solid State Ionics, Vol. 141-142, 01.05.2001, p. 153-156.

Research output: Contribution to journalArticle

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