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Synthesis and characterization of palladium carbon nanostructure composites
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK), Inorganic and Structural Chemistry.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK), Inorganic and Structural Chemistry.
2011 (English)Conference paper, Published paper (Other academic)
Abstract [en]

We present a synthesis approach to produce carbon nanostructures decorated with Pd nanoparticles. Helical carbon nanofibers were synthesized by CVD on Pd supported C 60 catalyst. Their structure has a high and unique surface area. They are an ideal candidate to be decorated with metallic nanoparticles. Nanostructures were functionalized by H 2O2, HNO3 or benzyl mercaptan. The attached functional groups improved the hydrophilicity of the surface and created attachment sites for Pd. Carbon nanotubes and helical carbon nanofibers were successfully decorated with Pd nanoparticles. Transmission electron micrographs clearly show the successful decoration of the carbon support. The influence of the support was investigated. The material was also characterized by a variety of methods such as selected area electron diffraction and thermo gravimetric analysis. The composites show highcatalytic activity towards formic acid, methanol and ethanol oxidation investigated by cyclic voltammetry.

Place, publisher, year, edition, pages
2011.
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-68164OAI: oai:DiVA.org:su-68164DiVA: diva2:472020
Conference
Tenth International Conference on Materials Chemistry (MC10)
Available from: 2012-01-03 Created: 2012-01-03 Last updated: 2012-01-19Bibliographically approved

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