Separation of Single-Walled Carbon Nanotubes by 1‑Dodecanol-Mediated Size-Exclusion Chromatography

A simple, single-column, high-throughput fractionation procedure based on size-exclusion chromatography of aqueous sodium dodecyl sulfate suspensions of single-walled carbon nanotubes (SWCNTs) is presented. This procedure is found to yield monochiral or near monochiral SWCNT fractions of semiconduct...

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Bibliographic Details
Published in:ACS nano 2013-04, Vol.7 (4), p.3557-3564
Main Authors: Flavel, Benjamin S, Kappes, Manfred M, Krupke, Ralph, Hennrich, Frank
Format: Article
Language:English
Subjects:
Chromatography
Chromatography, Gel - methods
Dodecanol - chemistry
Fractionation
Nanostructure
Nanotubes, Carbon - analysis
Nanotubes, Carbon - chemistry
Photoluminescence
Separation
Single wall carbon nanotubes
Sodium dodecyl sulfate
Spectroscopy
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Summary:A simple, single-column, high-throughput fractionation procedure based on size-exclusion chromatography of aqueous sodium dodecyl sulfate suspensions of single-walled carbon nanotubes (SWCNTs) is presented. This procedure is found to yield monochiral or near monochiral SWCNT fractions of semiconducting SWCNTs. Unsorted and resulting monochiral suspensions are characterized using optical absorption and photoluminescence spectroscopy.
ISSN:1936-0851
1936-086X
DOI:10.1021/nn4004956