Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles

Detalhes bibliográficos
Autor(a) principal: Soares-Santos, PCR
Data de Publicação: 2003
Outros Autores: Nogueira, HIS, Felix, V, Drew, MGB, Ferreira, RAS, Carlos, LD, Trindade, T
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10773/5997
Resumo: New lanthanide complexes of 3-hydroxypicolinic acid (HpicOH) were prepared: [Ln(H2O)- (picOH)2(í-HpicO)]â3H2O (Ln ) Eu, Tb, Er). The complexes were characterized using photoluminescence, infrared, Raman, and 1H NMR spectroscopy, and elemental analysis. The crystal structure of [Eu(H2O)(picOH)2(í-HpicO)]â3H2O 1 was determined by X-ray diffraction. Compound 1 crystallizes in a monoclinic system with space group P21/c and cell parameters a ) 9.105(13) Å, b ) 18.796(25) Å, and c ) 13.531(17) Å, and â ) 104.86(1) deg. The 3-hydroxypicolinate ligands coordinate through both N,O- or O,O- chelation to the lanthanide ions, as shown by X-ray and spectroscopic results. Photoluminescence measurements were performed for the Eu(III) and Tb(III) complexes; the Eu(III) complex was investigated in more detail. The Eu(III) compound is highly luminescent and acts as a photoactive center in nanocomposite materials whose host matrixes are silica nanoparticles.
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spelling Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticlesNew lanthanide complexes of 3-hydroxypicolinic acid (HpicOH) were prepared: [Ln(H2O)- (picOH)2(í-HpicO)]â3H2O (Ln ) Eu, Tb, Er). The complexes were characterized using photoluminescence, infrared, Raman, and 1H NMR spectroscopy, and elemental analysis. The crystal structure of [Eu(H2O)(picOH)2(í-HpicO)]â3H2O 1 was determined by X-ray diffraction. Compound 1 crystallizes in a monoclinic system with space group P21/c and cell parameters a ) 9.105(13) Å, b ) 18.796(25) Å, and c ) 13.531(17) Å, and â ) 104.86(1) deg. The 3-hydroxypicolinate ligands coordinate through both N,O- or O,O- chelation to the lanthanide ions, as shown by X-ray and spectroscopic results. Photoluminescence measurements were performed for the Eu(III) and Tb(III) complexes; the Eu(III) complex was investigated in more detail. The Eu(III) compound is highly luminescent and acts as a photoactive center in nanocomposite materials whose host matrixes are silica nanoparticles.American Chemical Society2012-02-07T16:56:59Z2003-01-01T00:00:00Z2003-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/5997eng0897-4756Soares-Santos, PCRNogueira, HISFelix, VDrew, MGBFerreira, RASCarlos, LDTrindade, Tinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-22T11:06:40Zoai:ria.ua.pt:10773/5997Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T02:42:58.841919Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
title Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
spellingShingle Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
Soares-Santos, PCR
title_short Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
title_full Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
title_fullStr Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
title_full_unstemmed Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
title_sort Novel lanthanide luminescent materials based on complexes of 3-hydroxypicolinic acid and silica nanoparticles
author Soares-Santos, PCR
author_facet Soares-Santos, PCR
Nogueira, HIS
Felix, V
Drew, MGB
Ferreira, RAS
Carlos, LD
Trindade, T
author_role author
author2 Nogueira, HIS
Felix, V
Drew, MGB
Ferreira, RAS
Carlos, LD
Trindade, T
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Soares-Santos, PCR
Nogueira, HIS
Felix, V
Drew, MGB
Ferreira, RAS
Carlos, LD
Trindade, T
description New lanthanide complexes of 3-hydroxypicolinic acid (HpicOH) were prepared: [Ln(H2O)- (picOH)2(í-HpicO)]â3H2O (Ln ) Eu, Tb, Er). The complexes were characterized using photoluminescence, infrared, Raman, and 1H NMR spectroscopy, and elemental analysis. The crystal structure of [Eu(H2O)(picOH)2(í-HpicO)]â3H2O 1 was determined by X-ray diffraction. Compound 1 crystallizes in a monoclinic system with space group P21/c and cell parameters a ) 9.105(13) Å, b ) 18.796(25) Å, and c ) 13.531(17) Å, and â ) 104.86(1) deg. The 3-hydroxypicolinate ligands coordinate through both N,O- or O,O- chelation to the lanthanide ions, as shown by X-ray and spectroscopic results. Photoluminescence measurements were performed for the Eu(III) and Tb(III) complexes; the Eu(III) complex was investigated in more detail. The Eu(III) compound is highly luminescent and acts as a photoactive center in nanocomposite materials whose host matrixes are silica nanoparticles.
publishDate 2003
dc.date.none.fl_str_mv 2003-01-01T00:00:00Z
2003-01
2012-02-07T16:56:59Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10773/5997
url http://hdl.handle.net/10773/5997
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0897-4756
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dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
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