Pt, Rh and Pt-Rh Nanoparticles on Modified Single-Walled Carbon Nanotubes for Hydrogenation of Benzene at Room Temperature
Abstract:Nanometer-sized Pt, Rh, and bimetallic Pt-Rh particles can be deposited on surface of phenylacetic acid functionalized single-walled carbon nanotubes (SWCNTs) by a microemulsion method. The SWCNT-supported metallic nanoparticles show much greater catalytic activities compared with commercially available carbon-supported Pt and Rh catalysts for hydrogenation of neat benzene under mild experimental conditions. The bimetallic Pt-Rh nanoparticle catalyst synthesized by this method shows an enhanced activity relative to individual SWCNT-supported Pt and Rh nanoparticle catalysts. The SWCNT-supported metal nanoparticle catalysts can be recycled and reused at least five times without losing their activity. The hydrogenation reactions performed under our experimental conditions would not affect the π–π stacking holding phenylacetic acid on SWCNT surface.
Document Type: Research Article
Publication date: October 1, 2011
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