Ultrasound-assisted polyol method for the preparation of SBA-15-supported ruthenium nanoparticles and the study of their catalytic activity on the partial oxidation of methane

Hongliang Li, Renzhang Wang, Qi Hong, Luwei Chen, Ziyi Zhong, Yuri Koltypin, J. Calderon-Moreno, Aharon Gedanken*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

Metallic Ru nanoparticles have been successfully produced and incorporated into the pores of SBA-15 in situ employing a simple ultrasound-assisted polyol method. The product has been confirmed by X-ray diffraction, transmission electron microscopy, and X-ray photoelectron spectroscopy, where ultrasound provides both the energy for the reduction of the Ru(III) ion and the driving force for the loading of the Ru 0 nanoparticles into the SBA-15 pores. An ultrasound-assisted insertion mechanism has been proposed based on the microjets and shake-wave effect of the collapsed bubbles. The catalytic properties of the SBA-15-supported Ru nanoparticles have been tested by the partial oxidization of methane and show very high activity and high CO selectivity.

Original languageEnglish
Pages (from-to)8352-8356
Number of pages5
JournalLangmuir
Volume20
Issue number19
DOIs
StatePublished - 14 Sep 2004
Externally publishedYes

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