Highly Exfoliated Water-Soluble Single-Walled Carbon Nanotubes

Single-walled carbon nanotubes functionalized by phenyl groups can be sulfonated in oleum (H2SO4, 20% free SO3) to give materials that exhibit high solubility in water as determined by centrifugation in conjunction with UV−vis−near-infrared measurements. Cryo-transmission electron microscopy images...

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Bibliographic Details
Published in:Chemistry of materials 2006-03, Vol.18 (6), p.1520-1524
Main Authors: Liang, Feng, Beach, Jonathan M, Rai, Pradeep K, Guo, Wenhua, Hauge, Robert H, Pasquali, Matteo, Smalley, Richard E, Billups, W. E
Format: Article
Language:English
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Summary:Single-walled carbon nanotubes functionalized by phenyl groups can be sulfonated in oleum (H2SO4, 20% free SO3) to give materials that exhibit high solubility in water as determined by centrifugation in conjunction with UV−vis−near-infrared measurements. Cryo-transmission electron microscopy images show that extensive debundling occurs during the sulfonation step.
ISSN:0897-4756
1520-5002
DOI:10.1021/cm0526967