Electrophoretic Analysis and Purification of Fluorescent Single-Walled Carbon Nanotube Fragments

Arc-synthesized single-walled carbon nanotubes have been purified through preparative electrophoresis in agarose gel and glass bead matrixes. Two major impurities were isolated:  fluorescent carbon and short tubular carbon. Analysis of these two classes of impurities was done. The methods described...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2004-10, Vol.126 (40), p.12736-12737
Main Authors: Xu, Xiaoyou, Ray, Robert, Gu, Yunlong, Ploehn, Harry J, Gearheart, Latha, Raker, Kyle, Scrivens, Walter A
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Physics
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Summary:Arc-synthesized single-walled carbon nanotubes have been purified through preparative electrophoresis in agarose gel and glass bead matrixes. Two major impurities were isolated:  fluorescent carbon and short tubular carbon. Analysis of these two classes of impurities was done. The methods described may be readily extended to the separation of other water-soluble nanoparticles. The separated fluorescent carbon and short tubule carbon species promise to be interesting nanomaterials in their own right.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja040082h