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Condensation of Carbon Vapour in the Microwave Oven

Published online by Cambridge University Press:  11 February 2011

Oxana V. Kharissova ,
Israel Nieto Lopez ,
Ubaldo Ortiz Méndez ,
Juan A. Aguilar  and
Moisés Hinojosa Rivera
Oxana V. Kharissova
Affiliation:
Facultad de Ciencias Físico-Matemáticas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, N.L., México, C.P.66450. E-mail okhariss@ccr.dsi.uanl.mx
Israel Nieto Lopez
Affiliation:
Facultad de Ciencias Físico-Matemáticas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, N.L., México, C.P.66450. E-mail okhariss@ccr.dsi.uanl.mx
Ubaldo Ortiz Méndez
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, N.L., México, C.P.66450. E-mail uortiz@ccr.dsi.uanl.mx
Juan A. Aguilar
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, N.L., México, C.P.66450. E-mail uortiz@ccr.dsi.uanl.mx
Moisés Hinojosa Rivera
Affiliation:
Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, N.L., México, C.P.66450. E-mail uortiz@ccr.dsi.uanl.mx
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Abstract

This work is devoted to microwave heating of graphite for studying the processing of carbon nanotubes (CNTs) by graphite vaporization. We have applied heating by microwaves (MW) (power 800W, frequency 2.45 GHz) in air at 20–90 min. The oven temperature was approximately 1200°C. The condensed material was collected on a fused silica target. After deposition, the morphology of carbon nanotubes was studied by Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM), and Transmission Electron Microscopy (TEM). The samples were found to contain nanotubes, nanoparticles and fibers (at 1.30–2.80 micrometers to 6–11 micrometers) which appeared to be highly graphitized. It was observed that multi-walled nanotubes (MWNT's) were produced by this method.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 740: Symposium I – Nanomaterials for Structural Applications , 2002 , I7.25
Copyright
Copyright © Materials Research Society 2003

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References

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