Oxidation of single-walled carbon nanotubes under controlled chemical conditions
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFJF |
Texto Completo: | http://dx.doi.org/10.21577/0103-5053.20180116 https://repositorio.ufjf.br/jspui/handle/ufjf/9255 |
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2019-02-27T15:19:13Z2019-02-252019-02-27T15:19:13Z2018-1129123872396http://dx.doi.org/10.21577/0103-5053.20180116https://repositorio.ufjf.br/jspui/handle/ufjf/9255-Single-walled carbon nanotubes are oxidized in the presence of H2SO4/HNO3 mixtures containing distinct concentrations of the nitronium ion, [NO2+]. The spectroscopic analyses of the final samples suggest a higher structural disorder in the oxidized systems with increasing [NO2+]. This is due to a considerable oxygen amount on the tube surface, reaching up to 30%, depending on the reaction time and [NO2+]. Interestingly, if long reaction time is considered, the oxygen amount on the tube surface is maximum for low [NO2+] and reduces slightly for larger [NO2+]. On the other hand, the oxidation process occurs gradually at 4 h, allowing a fine control of the oxidation process. Therefore, if fine tuning of the oxidation degree is desirable, the reaction must be conducted during short time (4 h) using increasing [NO2+] as those obtained from 2:1, 2.5:1 and 3:1 H2SO4/HNO3 acid mixtures to produce increasing content of functionalization.eng--BrasilJournal of the Brazilian Chemical Society-SWCNTAcid mixtureH2SO4/HNO3RamanDFTOxidation of single-walled carbon nanotubes under controlled chemical conditionsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlePorto, Arthur BarraSilva, Glaura G.Santos, Hélio Ferreira dosOliveira, Luiz Fernando Cappa deinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFJFinstname:Universidade Federal de Juiz de Fora (UFJF)instacron:UFJFTHUMBNAILOxidation of single-walled carbon nanotubes under controlled chemical conditions.pdf.jpgOxidation of single-walled carbon nanotubes under controlled chemical conditions.pdf.jpgGenerated Thumbnailimage/jpeg1638https://repositorio.ufjf.br/jspui/bitstream/ufjf/9255/4/Oxidation%20of%20single-walled%20carbon%20nanotubes%20under%20controlled%20chemical%20conditions.pdf.jpg81ea0c97005700c4a205a7afff403f62MD54ORIGINALOxidation of single-walled carbon nanotubes under controlled chemical conditions.pdfOxidation of single-walled carbon nanotubes under controlled chemical conditions.pdfapplication/pdf3777544https://repositorio.ufjf.br/jspui/bitstream/ufjf/9255/1/Oxidation%20of%20single-walled%20carbon%20nanotubes%20under%20controlled%20chemical%20conditions.pdfea605bda9fa62c524425d76ee303841fMD51LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
title |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
spellingShingle |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions Porto, Arthur Barra - SWCNT Acid mixture H2SO4/HNO3 Raman DFT |
title_short |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
title_full |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
title_fullStr |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
title_full_unstemmed |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
title_sort |
Oxidation of single-walled carbon nanotubes under controlled chemical conditions |
author |
Porto, Arthur Barra |
author_facet |
Porto, Arthur Barra Silva, Glaura G. Santos, Hélio Ferreira dos Oliveira, Luiz Fernando Cappa de |
author_role |
author |
author2 |
Silva, Glaura G. Santos, Hélio Ferreira dos Oliveira, Luiz Fernando Cappa de |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Porto, Arthur Barra Silva, Glaura G. Santos, Hélio Ferreira dos Oliveira, Luiz Fernando Cappa de |
dc.subject.cnpq.fl_str_mv |
- |
topic |
- SWCNT Acid mixture H2SO4/HNO3 Raman DFT |
dc.subject.por.fl_str_mv |
SWCNT Acid mixture H2SO4/HNO3 Raman DFT |
description |
- |
publishDate |
2018 |
dc.date.issued.fl_str_mv |
2018-11 |
dc.date.accessioned.fl_str_mv |
2019-02-27T15:19:13Z |
dc.date.available.fl_str_mv |
2019-02-25 2019-02-27T15:19:13Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufjf.br/jspui/handle/ufjf/9255 |
dc.identifier.doi.pt_BR.fl_str_mv |
http://dx.doi.org/10.21577/0103-5053.20180116 |
url |
http://dx.doi.org/10.21577/0103-5053.20180116 https://repositorio.ufjf.br/jspui/handle/ufjf/9255 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Journal of the Brazilian Chemical Society |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
- |
dc.publisher.initials.fl_str_mv |
- |
dc.publisher.country.fl_str_mv |
Brasil |
publisher.none.fl_str_mv |
- |
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reponame:Repositório Institucional da UFJF instname:Universidade Federal de Juiz de Fora (UFJF) instacron:UFJF |
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