Add time:08/14/2019         Source:sciencedirect.com

Rhodium(0) nanoparticles supported on ceria (Rh NPs/CeO2) were prepared from the reduction of Rh3+ ions on the surface of ceria in aqueous medium. Rh NPs/CeO2 catalyst was found to be highly active in hydrogenation of benzene under mild conditions. It provided a TOF value of 495 h−1 in hydrogenation of solventless benzene under ∼3 bar pressure of H2 gas at 25.0 ± 0.1 °C. Rh NPs/CeO2 shows superior catalytic activity over titania, zirconia and hafnia supported Rh NPs in this reaction.

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