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Article: Comparative studies on acid and thermal based selective purification of HiPCO produced single-walled carbon nanotubes

TitleComparative studies on acid and thermal based selective purification of HiPCO produced single-walled carbon nanotubes
Authors
Issue Date2004
Citation
Chemical Physics Letters, 2004, v. 386, n. 4-6, p. 239-243 How to Cite?
AbstractWe report a comparative study on gas and liquid phase oxidative treatments of SWNTs, using a HiPCO produced raw material with a broad distribution of nanotube diameters. The effects of these two processes were correlated using absorption and Raman spectroscopy (radial breathing and G modes) and TEM. We conclude that liquid phase oxidation is a continuous diameter-selective process eliminating narrower SWNTs through oxidizing sidewalls of SWNTs. Gas phase oxidation is a more discrete process requiring high activation energy for diameter-selective purification. Unlike liquid phase oxidation the gas phase process preferentially oxidizes SWNTs without introducing sidewall defects. © 2003 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/298008
ISSN
2023 Impact Factor: 2.8
2023 SCImago Journal Rankings: 0.502
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWiltshire, J. G.-
dc.contributor.authorKhlobystov, A. N.-
dc.contributor.authorLi, L. J.-
dc.contributor.authorLyapin, S. G.-
dc.contributor.authorBriggs, G. A.D.-
dc.contributor.authorNicholas, R. J.-
dc.date.accessioned2021-04-08T03:07:27Z-
dc.date.available2021-04-08T03:07:27Z-
dc.date.issued2004-
dc.identifier.citationChemical Physics Letters, 2004, v. 386, n. 4-6, p. 239-243-
dc.identifier.issn0009-2614-
dc.identifier.urihttp://hdl.handle.net/10722/298008-
dc.description.abstractWe report a comparative study on gas and liquid phase oxidative treatments of SWNTs, using a HiPCO produced raw material with a broad distribution of nanotube diameters. The effects of these two processes were correlated using absorption and Raman spectroscopy (radial breathing and G modes) and TEM. We conclude that liquid phase oxidation is a continuous diameter-selective process eliminating narrower SWNTs through oxidizing sidewalls of SWNTs. Gas phase oxidation is a more discrete process requiring high activation energy for diameter-selective purification. Unlike liquid phase oxidation the gas phase process preferentially oxidizes SWNTs without introducing sidewall defects. © 2003 Elsevier B.V. All rights reserved.-
dc.languageeng-
dc.relation.ispartofChemical Physics Letters-
dc.titleComparative studies on acid and thermal based selective purification of HiPCO produced single-walled carbon nanotubes-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.cplett.2004.01.067-
dc.identifier.scopuseid_2-s2.0-1442336439-
dc.identifier.volume386-
dc.identifier.issue4-6-
dc.identifier.spage239-
dc.identifier.epage243-
dc.identifier.isiWOS:000220124700004-
dc.identifier.issnl0009-2614-

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