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Pt, Rh and Pt-Rh Nanoparticles on Modified Single-Walled Carbon Nanotubes for Hydrogenation of Benzene at Room Temperature

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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 ππ stacking holding phenylacetic acid on SWCNT surface.

Keywords: CATALYSIS; HYDROGENATION; MICROEMULSION; PLATINUM NANOPARTICLE; PT-RH BIMETALLIC NANOPARTICLES; SINGLE-WALLED CARBON NANOTUBES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.4966

Publication date: October 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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