Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/101435
Type: Artigo de periódico
Title: Synthesis Of Single-wall Nanotubes By Pyrolysis Of Graphite In Helium Atmosphere [síntese De Nanotubos De Carbono De Parede Simples Por Sublimação De Grafite Em Atmosfera De Hélio]
Author: Romero J.G.V.
Luengo C.A.
Huber J.G.
Rosolen J.M.
Abstract: Macroscopic samples of fullerene nanostructures are obtained in a modified arc furnace using the electric arc method with a Helium atmosphere at low pressures. High purity graphite rods are used as electrodes but, when drilled and the orifices filled with powders of transition metals (Fe, Co, Ni) acting as catalysts, the resulting particles are carbon nanostructures of the fullerene family, known as Single Wall Nanotubes (SWNTs). They have typical diameters of 1.4 nm, lengths up to tenths of microns and they are arranged together in bundles containing several SWNTs. Those samples are observed and analyzed using Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) techniques.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0036461454&partnerID=40&md5=3da23bea9d534362d221428eea8b0531
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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