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Materials 2010, 3(3), 1559-1572; doi:10.3390/ma3031559

Preparation of Dispersed Platinum Nanoparticles on a Carbon Nanostructured Surface Using Supercritical Fluid Chemical Deposition

1
Department of Electrical and Electronic Engineering, Meijo University, Tempaku, Nagoya 468-8502, Japan
2
Department of Electrical Engineering and Computer Science, Nagoya University, Chikusa, Nagoya 464-8603, Japan
*
Author to whom correspondence should be addressed.
Received: 31 October 2009 / Revised: 30 December 2009 / Accepted: 18 January 2010 / Published: 3 March 2010
(This article belongs to the Special Issue Composite Materials)
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Abstract

We have developed a method of forming platinum (Pt) nanoparticles using a metal organic chemical fluid deposition (MOCFD) process employing a supercritical fluid (SCF), and have demonstrated the synthesis of dispersed Pt nanoparticles on the surfaces of carbon nanowalls (CNWs), two-dimensional carbon nanostructures, and carbon nanotubes (CNTs). By using SCF-MOCFD with supercritical carbon dioxide as a solvent of metal-organic compounds, highly dispersed Pt nanoparticles of 2 nm diameter were deposited on the entire surface of CNWs and CNTs. The SCF-MOCFD process proved to be effective for the synthesis of Pt nanoparticles on the entire surface of intricate carbon nanostructures with narrow interspaces.
Keywords: carbon nanostructures; supercritical fluid; platinum nanoparticles carbon nanostructures; supercritical fluid; platinum nanoparticles
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hiramatsu, M.; Hori, M. Preparation of Dispersed Platinum Nanoparticles on a Carbon Nanostructured Surface Using Supercritical Fluid Chemical Deposition. Materials 2010, 3, 1559-1572.

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