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Decoration of Carbon Nanohorns with Palladium and Platinum Nanoparticles

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Abstract:

Carbon nanohorns (CNHs) have been decorated with palladium and platinum nanoparticles, which are prepared in-situ, with the aid of sodium dodecyl sulphate (SDS), by the self-regulated reduction of palladium acetate and chloroplatinic acid, respectively. The latter acts as a reducing agent for the metal ions, while at the same time, aids the solubilisation of CNHs. The soluble in polar media nanoPd-CNH and nanoPt-CNH hybrid materials have been characterised and morphologically evaluated by complementary microscopy, thermal and analytical techniques such as transmission electron microscopy, energy dispersive X-ray spectroscopy, dynamic light scattering, thermogravimetric analysis, UV-VIS-NIR and Raman spectroscopy. Finally, the nanoPd-CNH and nanoPt-CNH hybrid materials have been tested in catalysis toward the formation of carbon–carbon bond in Heck, Suzuki and Stille reactions.

Keywords: CARBON NANOHORNS; CATALYSIS; HYBRIDS; PALLADIUM NANOPARTICLES; PLATINUM NANOPARTICLES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.1550

Publication date: October 1, 2009

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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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