Preparation and Activity of Small Rhodium Metal Particles on Fishbone Carbon Nanofibres

摘要: A number of different impregnation and ion-exchange procedures have been employed to synthesize very small rhodium metal particles on HNO3/H2SO4-oxidized fishbone carbon nanofibres. The surface-oxidation the nanofibres with HNO3/H2SO4 is a prerequisite for good interaction between aqueous catalyst precursor solutions fibres. Depending upon preparation technique applied using 1 wt% loadings average particle sizes ranging from 1.1 2.1 nm were detected XAFS spectroscopy. are so that metal–support interactions can be investigated All catalysts highly active in liquid-phase hydrogenation cyclohexene. No significant effect size catalytic activity observed, suggesting other factors, such as clustering support liquid phase, much more important.