Metal nanoparticles supported on carbon nanofibers: Synthesis and application for the hydrogenation reactions

Yukihiro Motoyama, Seong-Ho Yoon, Hideo Nagashima

Research output: Contribution to journalReview article

Abstract

Facile synthesis of ruthenium, palladium and platinum nanoparticles supported on three types of carbon nanofibers (platelet: CNF-P, tubular. CNF-T, herringbone: CNF-H) is accomplished by pyrolysis of ruthenium carbonyl clusters, and pyrolysis and hydrogenolysis of Pd2(dba)3-CHC1 3 and Pt(dba)2 [dba: dibenzylideneacetone). TEM studies of these M/CNFs revealed that size-controlled metal nanoparticles existed on the CNFs, and that of the location was dependent on the surface nanostructures of CNFs: On the edge of the graphite layers (CNF-P), in the tubes and on the surface (CNF-T), and between the layers and on the edge (CNF-H). Among these M/CNFs, the Ru/CNF-P showed excellent catalytic activity towards arene hydrogenation with high reusability and functional group tolerance. The present Ru system is applicable to the production of octahydro-l,l'-binaphthyls by partial hydrogenation of l,l'-binaphthyls. While the Pt/CNF-P behaves as an efficient catalyst for hydrogenation of substituted nitroarenes to the corresponding aniline derivatives with other functional groups remaining intact.

Original languageEnglish
Pages (from-to)724-734
Number of pages11
JournalYuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry
Volume67
Issue number7
DOIs
Publication statusPublished - Jan 1 2009

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Carbon nanofibers
Metal nanoparticles
Hydrogenation
Ruthenium
Functional groups
Pyrolysis
Hydrogenolysis
Graphite
Reusability
Palladium
Platelets
Platinum
Nanostructures
Catalyst activity
Nanoparticles
Transmission electron microscopy
Derivatives
Catalysts

All Science Journal Classification (ASJC) codes

  • Organic Chemistry

Cite this

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abstract = "Facile synthesis of ruthenium, palladium and platinum nanoparticles supported on three types of carbon nanofibers (platelet: CNF-P, tubular. CNF-T, herringbone: CNF-H) is accomplished by pyrolysis of ruthenium carbonyl clusters, and pyrolysis and hydrogenolysis of Pd2(dba)3-CHC1 3 and Pt(dba)2 [dba: dibenzylideneacetone). TEM studies of these M/CNFs revealed that size-controlled metal nanoparticles existed on the CNFs, and that of the location was dependent on the surface nanostructures of CNFs: On the edge of the graphite layers (CNF-P), in the tubes and on the surface (CNF-T), and between the layers and on the edge (CNF-H). Among these M/CNFs, the Ru/CNF-P showed excellent catalytic activity towards arene hydrogenation with high reusability and functional group tolerance. The present Ru system is applicable to the production of octahydro-l,l'-binaphthyls by partial hydrogenation of l,l'-binaphthyls. While the Pt/CNF-P behaves as an efficient catalyst for hydrogenation of substituted nitroarenes to the corresponding aniline derivatives with other functional groups remaining intact.",
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AU - Yoon, Seong-Ho

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AB - Facile synthesis of ruthenium, palladium and platinum nanoparticles supported on three types of carbon nanofibers (platelet: CNF-P, tubular. CNF-T, herringbone: CNF-H) is accomplished by pyrolysis of ruthenium carbonyl clusters, and pyrolysis and hydrogenolysis of Pd2(dba)3-CHC1 3 and Pt(dba)2 [dba: dibenzylideneacetone). TEM studies of these M/CNFs revealed that size-controlled metal nanoparticles existed on the CNFs, and that of the location was dependent on the surface nanostructures of CNFs: On the edge of the graphite layers (CNF-P), in the tubes and on the surface (CNF-T), and between the layers and on the edge (CNF-H). Among these M/CNFs, the Ru/CNF-P showed excellent catalytic activity towards arene hydrogenation with high reusability and functional group tolerance. The present Ru system is applicable to the production of octahydro-l,l'-binaphthyls by partial hydrogenation of l,l'-binaphthyls. While the Pt/CNF-P behaves as an efficient catalyst for hydrogenation of substituted nitroarenes to the corresponding aniline derivatives with other functional groups remaining intact.

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