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Enrichment of Armchair Carbon Nanotubes via Density Gradient Ultracentrifugation: Raman Spectroscopy Evidence

We have used resonant Raman scattering spectroscopy to fully analyze the relative abundances of different (n,m) species in single-walled carbon nanotube samples that are metallically enriched by density gradient ultracentrifugation. Strikingly, the data clearly show that our density gradient ultracentrifugation process enriches the metallic fractions in armchair and near-armchair species. We observe that armchair carbon nanotubes constitute more than 50% of each (2n + m) family.

preprint2009arXivOpen access
E. H. HarozW. D. RiceB. Y. LuS. GhoshR. H. HaugeR. B. WeismanS. K. DoornJ. Kono
cond-mat.mes-hallcond-mat.mtrl-sci
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Open access8 authors2 topics
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
Citations: 0Reviews: 0Saves: 0Code: not linkedDataset: not linkedInstitutions: 0

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E. H. HarozW. D. RiceB. Y. LuS. GhoshR. H. HaugeR. B. WeismanS. K. DoornJ. Kono

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