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

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 ultraso...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 20(2004), 19 vom: 14. Sept., Seite 8352-6
1. Verfasser: Li, Hongliang (VerfasserIn)
Weitere Verfasser: Wang, Renzhang, Hong, Qi, Chen, Luwei, Zhong, Ziyi, Koltypin, Yuri, Calderon-Moreno, J, Gedanken, Aharon
Format: Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Polymers SBA-15 polyol Silicon Dioxide 7631-86-9 Ruthenium 7UI0TKC3U5 Methane OP0UW79H66
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245 1 0 |a 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 
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520 |a 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 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Wang, Renzhang  |e verfasserin  |4 aut 
700 1 |a Hong, Qi  |e verfasserin  |4 aut 
700 1 |a Chen, Luwei  |e verfasserin  |4 aut 
700 1 |a Zhong, Ziyi  |e verfasserin  |4 aut 
700 1 |a Koltypin, Yuri  |e verfasserin  |4 aut 
700 1 |a Calderon-Moreno, J  |e verfasserin  |4 aut 
700 1 |a Gedanken, Aharon  |e verfasserin  |4 aut 
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