Catalysis Letters

, Volume 120, Issue 1–2, pp 19–24 | Cite as

Deposition of Gold Particles on Mesoporous Catalyst Supports by Sonochemical Method, and their Catalytic Performance for CO Oxidation

  • Nina Perkas
  • Ziyi Zhong
  • Judit Grinblat
  • Aharon Gedanken


Supported gold catalysts on the mesoporous (MSP) metal oxides were prepared by a one-step, ultrasound-assisted reduction method, and characterized by XRD, HRTEM, EDX, BET, and XPS analysis. Their catalytic activities were examined in the oxidation of CO. Compared to the Au/Fe2O3(MSP) catalyst, the Au/TiO2(MSP) and Au/Fe2O3-TiO2(MSP) catalysts exhibited higher catalytic activity in the oxidation of CO at low temperatures. The high catalytic activity of Au/TiO2(MSP) was attributed to the metallic state of the gold nanoparticles, their small size (2–2.5 nm), and their high dispersion on the catalyst support.


Sonochemical reduction Gold Mesoporous support CO oxidation 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Nina Perkas
    • 1
  • Ziyi Zhong
    • 2
  • Judit Grinblat
    • 1
  • Aharon Gedanken
    • 1
  1. 1.Department of Chemistry and Kanbar Laboratory for NanomaterialsBar-Ilan University Center for Advanced Materials and Nanotechnology, Bar-Ilan UniversityRamat-GanIsrael
  2. 2.Institute of Chemical and Engineering and SciencesJurong IslandSingapore

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