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Gold Nanoparticles as the Catalyst of Single-Walled Carbon Nanotube Synthesis

Department of Physics, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
Catalysts 2014, 4(1), 38-48; https://doi.org/10.3390/catal4010038
Received: 29 July 2013 / Revised: 20 February 2014 / Accepted: 24 February 2014 / Published: 5 March 2014
(This article belongs to the Special Issue New Trends in Gold Catalysts)
Gold nanoparticles have been proven to act as efficient catalysts for chemical reactions, such as oxidation and hydrogen production. In this review we focus on a different aspect of the catalysis of gold nanoparticles; single-walled carbon nanotube (SWCNT) synthesis. This is not a traditional meaning of catalytic reaction, but SWCNTs cannot be synthesized without nanoparticles. Previously, gold was considered as unsuitable metal species as the catalyst of SWCNT synthesis. However, gold nanoparticles with diameters smaller than 5 nm were found to effectively produce SWCNTs. We discuss the catalysis of gold and related metals for SWCNT synthesis in comparison with conventional catalysts, such as iron, cobalt, and nickel. View Full-Text
Keywords: chemical vapor deposition; carbon nanotubes; graphene; growth mechanism chemical vapor deposition; carbon nanotubes; graphene; growth mechanism
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Homma, Y. Gold Nanoparticles as the Catalyst of Single-Walled Carbon Nanotube Synthesis. Catalysts 2014, 4, 38-48.

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