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Title: Sandwiched ruthenium/carbon nanostructures for highly active heterogeneous hydrogenation
Authors: Su, F. 
Lee, F.Y.
Lv, L. 
Liu, J.
Tian, X.N.
Zhao, X.S. 
Issue Date: 13-Aug-2007
Citation: Su, F., Lee, F.Y., Lv, L., Liu, J., Tian, X.N., Zhao, X.S. (2007-08-13). Sandwiched ruthenium/carbon nanostructures for highly active heterogeneous hydrogenation. Advanced Functional Materials 17 (12) : 1926-1931. ScholarBank@NUS Repository.
Abstract: The immobilization of metal nanoparticles in the framework of porous carbon for heterogeneous catalysis may avoid particle aggregation, movement, and leaching, thus leading to a high catalyst efficiency. In this Full Paper, an approach to prepare Ru nanoparticles incorporated into the pore walls of porous carbon to form a sandwiched Ru/C nanostructure for heterogeneous hydrogenation is demonstrated. Physical adsorption of nitrogen, X-ray diffraction, thermogravimetric analysis, field-emission transmission electron microscopy, field-emission scanning electron microscopy, and energy dispersive X-ray spectroscopy techniques are employed to study the structure and morphology of the catalysts. Catalytic results show that the Ru nanoparticles sandwiched in the pore walls of porous carbon display a remarkably high activity and stability in the hydrogenation of benzene. An enhanced hydrogen spillover effect is believed to play a significant role in the hydrogenation reaction because of the intimate interfacial contact between Ru nanoparticles and the carbon support. The catalyst system described in this work may offer a new concept for optimizing catalyst nanostructures. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA.
Source Title: Advanced Functional Materials
ISSN: 1616301X
DOI: 10.1002/adfm.200700067
Appears in Collections:Staff Publications

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