A Novel Catalytic Synthesis Method of Carbon Nanomaterials in the Organic Liquids

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We have developed a novel catalytic method for synthesizing a wide variety of carbon nanomaterials in the organic liquids. There is no need for a vacuum reactor. The method realized a simple, speedy, and a high-purity growth of aligned carbon nanotubes in alcohol liquids. At the interface between the liquid and the catalyst-supported substrate surface, a large gradient of the temperature exists. The nonequilibrium condition is a characteristic feature of the liquid phase synthesis method. This method is superior to a gas phase synthesis methods as it allows to use various choices of the organic liquids. An organic liquids including various functional groups, such as –NH2, -SH, and –OH, suggesting that the carbon sources are expected to realize a certain impurity doping into the grown nanomaterials. Kinds of catalyst metal also affect the structure of the grown carbon materials, i.e. the combination of a carbon source and a catalyst metal leads to a great variety of morphologies. In this study, we investigated to grow and control the various morphologies of the grown materials by using octane(C8H18), 1-octanol (CH3(CH2)7OH; OcOH), and methanol for a carbon source.

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Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2013: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Published: May 12, 2013
Pages: 265 - 267
Industry sector: Advanced Materials & Manufacturing
Topic: Carbon Nano Structures & Devices
ISBN: 978-1-4822-0581-7