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1. Identity statement
Reference TypeJournal Article
Sitemtc-m16d.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP7W/3ATRD3H
Repositorysid.inpe.br/mtc-m19/2011/12.06.17.49   (restricted access)
Last Update2011:12.06.17.56.53 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m19/2011/12.06.17.49.56
Metadata Last Update2018:06.05.04.25.07 (UTC) administrator
Secondary KeyINPE--PRE/
DOI10.1016/j.apsusc.2011.07.032
ISSN0169-4332
Citation KeyEdwardsAntBotBalCor:2011:EvReIr
TitleEvaluation of residual iron in carbon nanotubes purified by acid treatments
ProjectCAPES/BRAZIL 0023/08-6 FAPESP/BRAZIL 2006/03525-3
Year2011
MonthNov.
Access Date2024, May 04
Secondary TypePRE PI
Number of Files1
Size855 KiB
2. Context
Author1 Edwards, E. R.
2 Antunes, E. F.
3 Botelho, E. C.
4 Baldan, M. R.
5 Corat, E. J.
Group1
2 LAS-CTE-INPE-MCT-BR
3
4 LAS-CTE-INPE-MCT-BR
5 LAS-CTE-INPE-MCT-BR
Affiliation1 Sao Paulo State Univ UNESP, BR-12516410 Guaratingueta, SP, Brazil
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Sao Paulo State Univ UNESP, BR-12516410 Guaratingueta, SP, Brazil
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5 Instituto Nacional de Pesquisas Espaciais (INPE)
JournalApplied Surface Science
Volume258
Number2
Pages641-648
History (UTC)2011-12-06 17:57:04 :: marciana -> administrator :: 2011
2018-06-05 04:25:07 :: administrator -> marciana :: 2011
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsIron purification
XPS
MWCNT
Acid treatment
Camphor
Ferrocene
SINGLE-WALL
RAMAN-SPECTRA
ATMOSPHERIC-PRESSURE
PURIFICATION
XPS
OXIDATION
CAMPHOR
OXYGEN
FUNCTIONALIZATION
DIAMETER
AbstractA detailed analysis by X-ray photoelectron spectroscopy was carried out on multi-walled carbon nanotube (MWCNT) surfaces after non-oxidative and oxidative purification treatments in liquid-phase. The MWCNT were produced by pyrolysis of camphor and ferrocene, that provides a high yield but with high iron contamination (similar to 15% wt). The elimination and/or oxidation of iron nanoparticles were monitored by Fe2p and O1s core level. Oxygen-based functional groups attachment was also investigated by C1s fitting. The effectiveness of each treatment in iron removal was evaluated by thermogravimetric analysis (TGA) and atomic absorption spectroscopy (AAS). The integrity of the MWCNT structure was verified by Raman spectroscopy (RS) and transmission electron microscopy (TEM). A purity degree higher than 98% was achieved only with non-oxidative treatments using sonification process.
AreaFISMAT
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4. Conditions of access and use
Languageen
User Groupadministrator
marciana
Visibilityshown
Archiving Policydenypublisher denyfinaldraft24
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Mirror Repositorysid.inpe.br/mtc-m19@80/2009/08.21.17.02.53
Next Higher Units8JMKD3MGPCW/3ESR3H2
DisseminationWEBSCI; PORTALCAPES; COMPENDEX.
Host Collectionsid.inpe.br/mtc-m19@80/2009/08.21.17.02
6. Notes
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