Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures

Detalhes bibliográficos
Autor(a) principal: Da Dalt,Silvana
Data de Publicação: 2011
Outros Autores: Sousa,Bruna Berti, Alves,Annelise Kopp, Bergmann,Carlos Pérez
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392011000400013
Resumo: Barium monoferrite BaFe2O4 classified as permanent magnet stands out among other ceramic magnets due to its high chemical stability, corrosion resistance and low production cost. In addition, experiments conducted on photocatalytic degradation of methyl orange and UV transmittance by spectrophotometry have shown that this material has photocatalytic properties. The spinel ferrite is of importance in many technological areas such as computing, communications and security. Several techniques for synthesis have been studied to optimize the properties of this material. The synthesis of BaFe2O4 by conventional processes often occurs at temperatures above 1000 ºC. In this work, we obtained the phase BaFe2O4 at low temperatures (600 ºC) from the combustion reaction using nitrates and maleic anhydride as metal complexing agent. Techniques of X-ray diffraction, specific surface area, thermogravimetry analysis and photocatalytic analysis were employed to characterize the products obtained.
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spelling Structural and photocatalytic characterization of BaFe2O4 obtained at low temperaturesbarium monoferritecombustion reactionphotocatalysisBarium monoferrite BaFe2O4 classified as permanent magnet stands out among other ceramic magnets due to its high chemical stability, corrosion resistance and low production cost. In addition, experiments conducted on photocatalytic degradation of methyl orange and UV transmittance by spectrophotometry have shown that this material has photocatalytic properties. The spinel ferrite is of importance in many technological areas such as computing, communications and security. Several techniques for synthesis have been studied to optimize the properties of this material. The synthesis of BaFe2O4 by conventional processes often occurs at temperatures above 1000 ºC. In this work, we obtained the phase BaFe2O4 at low temperatures (600 ºC) from the combustion reaction using nitrates and maleic anhydride as metal complexing agent. Techniques of X-ray diffraction, specific surface area, thermogravimetry analysis and photocatalytic analysis were employed to characterize the products obtained.ABM, ABC, ABPol2011-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392011000400013Materials Research v.14 n.4 2011reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/S1516-14392011005000069info:eu-repo/semantics/openAccessDa Dalt,SilvanaSousa,Bruna BertiAlves,Annelise KoppBergmann,Carlos Pérezeng2011-12-13T00:00:00Zoai:scielo:S1516-14392011000400013Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2011-12-13T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
title Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
spellingShingle Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
Da Dalt,Silvana
barium monoferrite
combustion reaction
photocatalysis
title_short Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
title_full Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
title_fullStr Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
title_full_unstemmed Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
title_sort Structural and photocatalytic characterization of BaFe2O4 obtained at low temperatures
author Da Dalt,Silvana
author_facet Da Dalt,Silvana
Sousa,Bruna Berti
Alves,Annelise Kopp
Bergmann,Carlos Pérez
author_role author
author2 Sousa,Bruna Berti
Alves,Annelise Kopp
Bergmann,Carlos Pérez
author2_role author
author
author
dc.contributor.author.fl_str_mv Da Dalt,Silvana
Sousa,Bruna Berti
Alves,Annelise Kopp
Bergmann,Carlos Pérez
dc.subject.por.fl_str_mv barium monoferrite
combustion reaction
photocatalysis
topic barium monoferrite
combustion reaction
photocatalysis
description Barium monoferrite BaFe2O4 classified as permanent magnet stands out among other ceramic magnets due to its high chemical stability, corrosion resistance and low production cost. In addition, experiments conducted on photocatalytic degradation of methyl orange and UV transmittance by spectrophotometry have shown that this material has photocatalytic properties. The spinel ferrite is of importance in many technological areas such as computing, communications and security. Several techniques for synthesis have been studied to optimize the properties of this material. The synthesis of BaFe2O4 by conventional processes often occurs at temperatures above 1000 ºC. In this work, we obtained the phase BaFe2O4 at low temperatures (600 ºC) from the combustion reaction using nitrates and maleic anhydride as metal complexing agent. Techniques of X-ray diffraction, specific surface area, thermogravimetry analysis and photocatalytic analysis were employed to characterize the products obtained.
publishDate 2011
dc.date.none.fl_str_mv 2011-12-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392011000400013
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392011000400013
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1516-14392011005000069
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.14 n.4 2011
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
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