A new purification method for single-wall carbon nanotubes (SWNTs)

A new purification procedure is introduced, which uses the advantages of column chromatography and vacuum filtration. Potassium polyacrylate is used as stationary phase. This method is based on the idea that the size of the existing cavities in the polymer increases during a swelling process in dist...

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Veröffentlicht in:	Applied physics. A, Materials science & processing Materials science & processing, 2000-05, Vol.70 (5), p.599-602
Hauptverfasser:	HOLZINGER, M, HIRSCH, A, BERNIER, P, DUESBERG, G. S, BURGHARD, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Bundles Column chromatography Cross-disciplinary physics: materials science rheology Exact sciences and technology Filtration Holes Materials science Nanoparticles Nanoscale materials and structures: fabrication and characterization Physics Purification Single wall carbon nanotubes Swelling
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Beschreibung
Zusammenfassung:	A new purification procedure is introduced, which uses the advantages of column chromatography and vacuum filtration. Potassium polyacrylate is used as stationary phase. This method is based on the idea that the size of the existing cavities in the polymer increases during a swelling process in distilled water. The cavities are big enough to entrap the nanoparticles, but allow for a free movement of nanotubes and bundles.
ISSN:	0947-8396 1432-0630
DOI:	10.1007/s003390051087