Diameter-selective solubilization of carbon nanotubes by lipid micelles

Dimitrios Tasis, Konstantinos Papagelis, Dionysis Douroumis, James R Smith, Nikolaos Bouropoulos, Dimitrios G. Fatouros

Research output: Contribution to journalArticlepeer-review


The one-step dispersion of HiPco single-walled carbon nanotubes in aqueous media with the use of a synthetic lyso-phosphatidylcholine was studied. Solubilization occurs through wrapping of lipid molecules around the circumference of the tubes, yielding lipid monolayers on the graphitic sidewalls as evidenced by atomic force microscopy imaging and dynamic light scattering measurements. Raman spectroscopy showed that the dispersion and centrifugation process leads to an effective enrichment of the stable aqueous suspension in carbon nanostructures with smaller diameters.
Original languageEnglish
Pages (from-to)420-423
JournalJournal of Nanoscience and Nanotechnology
Issue number1
Publication statusPublished - Jan 2008


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