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Graphitic Carbon Nanoparticles from Asphaltenes

Published online by Cambridge University Press:  01 February 2011

Christophe Danumah ,
Andrew J. Myles  and
Hicham Fenniri
Christophe Danumah
Affiliation:
National Institute for Nanotechnology and Department of Chemistry, Alberta Edmonton, Alberta T6G 2M9, Canada
Andrew J. Myles
Affiliation:
National Institute for Nanotechnology and Department of Chemistry, Alberta Edmonton, Alberta T6G 2M9, Canada
Hicham Fenniri
Affiliation:
National Institute for Nanotechnology and Department of Chemistry, Alberta Edmonton, Alberta T6G 2M9, Canada
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Abstract

We report preliminary studies on the preparation of carbon nanoparticles (CNPs) of ~ 20 nm in diameter derived from asphaltenes under mild conditions. This transformation occurred upon heating a thin film of asphaltenes cast on a carbon coated copper grid under both nitrogen and oxygen atmosphere. The resulting CNPs were characterized by thermogravimetric analysis (TGA), scanning/transmission electron microscopy (SEM/STEM), transmission electron microscopy (TEM), elemental analysis (EA) and Auger electron spectroscopy (AES). The findings point towards asphaltenes, a crude oil by-product, as a potential source for carbon nanomaterials.

Keywords

crystallinenanostructuretransmission electron microscopy (TEM)

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