The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders

Detalhes bibliográficos
Autor(a) principal: Volanti, Diogo Paschoalini
Data de Publicação: 2009
Outros Autores: Rosa, Ieda Lúcia Viana, Paris, Elaine Cristina, Paskocimas, Carlos Alberto, Pizani, Paulo Sérgio, Varela, José A., Silva, Elson Longo da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRN
DOI: 10.1016/j.optmat.2008.11.006
Texto Completo: https://repositorio.ufrn.br/handle/123456789/32074
Resumo: This work rationalized for the first time the key role of Eu3+ ion in the doping process of SrBi2Nb2O9 (SBN) compound. This process allows us to understand the role of Eu3+ as lattice modifier as well as to obtain information on the crystalline structure surrounding. Therefore, the SBN and Eu3+ doped SBN (SBN:Eu) were synthesized using the polymeric precursor method (PPM). Scanning electron microscope (SEM) images reveal the strong influence of europium on the SBN microstructure. Thermogravimetry (TG) and differential thermal analysis (DTA) techniques were used to determine the weight loss and changes associated with phase transitions in SBN during thermal evolution. The behavior of the Eu3+ lattice modifier was followed in a long-range order by X-ray diffraction (XRD), while Fourier transform Raman (FTRaman) spectroscopy was used to analyze the short-range order. To this end, the SBN orthorhombic phase was observed for all samples heat treated from 400 to 700 C for 2 h. In addition, photoluminescence measurements were employed to study the structural modifications in SBN lattice. The characteristic red emission of the Eu3+ using the 488 nm exciting wavelength of an argon–ion laser was distinctly observed for SBN:Eu samples heat treated from 550 to 700 C. Europium characteristic emission bands are related to 5D1?7FJ (J = 0–2) transitions at 538 and 555 nm, as well as the 5D0?7FJ (J = 0–4) ones at 580, 592, 615, 653 and 695 nm. By means of the emission spectra analyses it was possible to predict that the Eu3+ ions are located at sites of higher symmetry, since the relative area of the (5D0?7F2)/ (5D0?7F1) transitions for the SBN:Eu samples decrease from 3.82 to 2.60 with increasing temperature from 550 to 700 °C
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spelling Volanti, Diogo PaschoaliniRosa, Ieda Lúcia VianaParis, Elaine CristinaPaskocimas, Carlos AlbertoPizani, Paulo SérgioVarela, José A.Silva, Elson Longo da2021-04-07T14:29:59Z2021-04-07T14:29:59Z2009-04VOLANTI, Diogo P.; ROSA, Ieda L.V.; PARIS, Elaine C.; PASKOCIMAS, Carlos A.; PIZANI, Paulo S.; VARELA, José A.; LONGO, Elson. The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders. Optical Materials, v. 31, p. 995-999, 2009. Disponível: https://www.sciencedirect.com/science/article/abs/pii/S0925346708002863?via%3Dihub Acesso: 11 fev. 2021. https://doi.org/10.1016/j.optmat.2008.11.0060925-3467https://repositorio.ufrn.br/handle/123456789/3207410.1016/j.optmat.2008.11.006ElsevierAttribution 3.0 Brazilhttp://creativecommons.org/licenses/by/3.0/br/info:eu-repo/semantics/openAccessPhotoluminescenceStrontium bismuth niobateEuropiumPolymeric precursor methodThe role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powdersinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleThis work rationalized for the first time the key role of Eu3+ ion in the doping process of SrBi2Nb2O9 (SBN) compound. This process allows us to understand the role of Eu3+ as lattice modifier as well as to obtain information on the crystalline structure surrounding. Therefore, the SBN and Eu3+ doped SBN (SBN:Eu) were synthesized using the polymeric precursor method (PPM). Scanning electron microscope (SEM) images reveal the strong influence of europium on the SBN microstructure. Thermogravimetry (TG) and differential thermal analysis (DTA) techniques were used to determine the weight loss and changes associated with phase transitions in SBN during thermal evolution. The behavior of the Eu3+ lattice modifier was followed in a long-range order by X-ray diffraction (XRD), while Fourier transform Raman (FTRaman) spectroscopy was used to analyze the short-range order. To this end, the SBN orthorhombic phase was observed for all samples heat treated from 400 to 700 C for 2 h. In addition, photoluminescence measurements were employed to study the structural modifications in SBN lattice. The characteristic red emission of the Eu3+ using the 488 nm exciting wavelength of an argon–ion laser was distinctly observed for SBN:Eu samples heat treated from 550 to 700 C. Europium characteristic emission bands are related to 5D1?7FJ (J = 0–2) transitions at 538 and 555 nm, as well as the 5D0?7FJ (J = 0–4) ones at 580, 592, 615, 653 and 695 nm. By means of the emission spectra analyses it was possible to predict that the Eu3+ ions are located at sites of higher symmetry, since the relative area of the (5D0?7F2)/ (5D0?7F1) transitions for the SBN:Eu samples decrease from 3.82 to 2.60 with increasing temperature from 550 to 700 °Cengreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNORIGINALRoleEu3IonsStructure_PASKOCIMAS_2009.pdfRoleEu3IonsStructure_PASKOCIMAS_2009.pdfArtigoapplication/pdf500772https://repositorio.ufrn.br/bitstream/123456789/32074/1/RoleEu3IonsStructure_PASKOCIMAS_2009.pdf35bfe48b6668a187baddaf18459e99c1MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8914https://repositorio.ufrn.br/bitstream/123456789/32074/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD52LICENSElicense.txtlicense.txttext/plain; charset=utf-81484https://repositorio.ufrn.br/bitstream/123456789/32074/3/license.txte9597aa2854d128fd968be5edc8a28d9MD53TEXTRoleEu3IonsStructure_PASKOCIMAS_2009.pdf.txtRoleEu3IonsStructure_PASKOCIMAS_2009.pdf.txtExtracted texttext/plain24581https://repositorio.ufrn.br/bitstream/123456789/32074/4/RoleEu3IonsStructure_PASKOCIMAS_2009.pdf.txt100316bf4cdf5e364b6252d2e48c433cMD54THUMBNAILRoleEu3IonsStructure_PASKOCIMAS_2009.pdf.jpgRoleEu3IonsStructure_PASKOCIMAS_2009.pdf.jpgGenerated Thumbnailimage/jpeg1683https://repositorio.ufrn.br/bitstream/123456789/32074/5/RoleEu3IonsStructure_PASKOCIMAS_2009.pdf.jpga934a7f2f6c2c78d5bf8f511749d3b61MD55123456789/320742021-04-11 06:04:16.335oai:https://repositorio.ufrn.br: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Repositório de PublicaçõesPUBhttp://repositorio.ufrn.br/oai/opendoar:2021-04-11T09:04:16Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false
dc.title.pt_BR.fl_str_mv The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
title The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
spellingShingle The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
Volanti, Diogo Paschoalini
Photoluminescence
Strontium bismuth niobate
Europium
Polymeric precursor method
title_short The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
title_full The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
title_fullStr The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
title_full_unstemmed The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
title_sort The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders
author Volanti, Diogo Paschoalini
author_facet Volanti, Diogo Paschoalini
Rosa, Ieda Lúcia Viana
Paris, Elaine Cristina
Paskocimas, Carlos Alberto
Pizani, Paulo Sérgio
Varela, José A.
Silva, Elson Longo da
author_role author
author2 Rosa, Ieda Lúcia Viana
Paris, Elaine Cristina
Paskocimas, Carlos Alberto
Pizani, Paulo Sérgio
Varela, José A.
Silva, Elson Longo da
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Volanti, Diogo Paschoalini
Rosa, Ieda Lúcia Viana
Paris, Elaine Cristina
Paskocimas, Carlos Alberto
Pizani, Paulo Sérgio
Varela, José A.
Silva, Elson Longo da
dc.subject.por.fl_str_mv Photoluminescence
Strontium bismuth niobate
Europium
Polymeric precursor method
topic Photoluminescence
Strontium bismuth niobate
Europium
Polymeric precursor method
description This work rationalized for the first time the key role of Eu3+ ion in the doping process of SrBi2Nb2O9 (SBN) compound. This process allows us to understand the role of Eu3+ as lattice modifier as well as to obtain information on the crystalline structure surrounding. Therefore, the SBN and Eu3+ doped SBN (SBN:Eu) were synthesized using the polymeric precursor method (PPM). Scanning electron microscope (SEM) images reveal the strong influence of europium on the SBN microstructure. Thermogravimetry (TG) and differential thermal analysis (DTA) techniques were used to determine the weight loss and changes associated with phase transitions in SBN during thermal evolution. The behavior of the Eu3+ lattice modifier was followed in a long-range order by X-ray diffraction (XRD), while Fourier transform Raman (FTRaman) spectroscopy was used to analyze the short-range order. To this end, the SBN orthorhombic phase was observed for all samples heat treated from 400 to 700 C for 2 h. In addition, photoluminescence measurements were employed to study the structural modifications in SBN lattice. The characteristic red emission of the Eu3+ using the 488 nm exciting wavelength of an argon–ion laser was distinctly observed for SBN:Eu samples heat treated from 550 to 700 C. Europium characteristic emission bands are related to 5D1?7FJ (J = 0–2) transitions at 538 and 555 nm, as well as the 5D0?7FJ (J = 0–4) ones at 580, 592, 615, 653 and 695 nm. By means of the emission spectra analyses it was possible to predict that the Eu3+ ions are located at sites of higher symmetry, since the relative area of the (5D0?7F2)/ (5D0?7F1) transitions for the SBN:Eu samples decrease from 3.82 to 2.60 with increasing temperature from 550 to 700 °C
publishDate 2009
dc.date.issued.fl_str_mv 2009-04
dc.date.accessioned.fl_str_mv 2021-04-07T14:29:59Z
dc.date.available.fl_str_mv 2021-04-07T14:29:59Z
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dc.identifier.citation.fl_str_mv VOLANTI, Diogo P.; ROSA, Ieda L.V.; PARIS, Elaine C.; PASKOCIMAS, Carlos A.; PIZANI, Paulo S.; VARELA, José A.; LONGO, Elson. The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders. Optical Materials, v. 31, p. 995-999, 2009. Disponível: https://www.sciencedirect.com/science/article/abs/pii/S0925346708002863?via%3Dihub Acesso: 11 fev. 2021. https://doi.org/10.1016/j.optmat.2008.11.006
dc.identifier.uri.fl_str_mv https://repositorio.ufrn.br/handle/123456789/32074
dc.identifier.issn.none.fl_str_mv 0925-3467
dc.identifier.doi.none.fl_str_mv 10.1016/j.optmat.2008.11.006
identifier_str_mv VOLANTI, Diogo P.; ROSA, Ieda L.V.; PARIS, Elaine C.; PASKOCIMAS, Carlos A.; PIZANI, Paulo S.; VARELA, José A.; LONGO, Elson. The role of the Eu3+ ions in structure and photoluminescence properties of SrBi2Nb2O9 powders. Optical Materials, v. 31, p. 995-999, 2009. Disponível: https://www.sciencedirect.com/science/article/abs/pii/S0925346708002863?via%3Dihub Acesso: 11 fev. 2021. https://doi.org/10.1016/j.optmat.2008.11.006
0925-3467
10.1016/j.optmat.2008.11.006
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