Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method

Detalhes bibliográficos
Autor(a) principal: da Silva, Luis F.
Data de Publicação: 2012
Outros Autores: Avansi, Waldir [UNESP], Moreira, Mario L. [UNESP], Mesquita, Alexandre, Maia, Lauro J. Q., Andres, Juan, Longo, Elson [UNESP], Mastelaro, Valmor R.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1155/2012/890397
http://hdl.handle.net/11449/42435
Resumo: This paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, X-ray absorption near-edge structure (XANES) spectroscopy, field emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM) were carried out to investigate the structural and optical properties of the SrTiO3 spherical and cubelike-shaped particles. The appropriate choice of the titanium precursor allowed the control of morphological and photoluminescence (PL) properties of SrTiO3 compound. The PL emission was more intense in SrTiO3 samples composed of spherelike particles. This behavior was attributed to the existence of a lower amount of defects due to the uniformity of the spherical particles.
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spelling Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal MethodThis paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, X-ray absorption near-edge structure (XANES) spectroscopy, field emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM) were carried out to investigate the structural and optical properties of the SrTiO3 spherical and cubelike-shaped particles. The appropriate choice of the titanium precursor allowed the control of morphological and photoluminescence (PL) properties of SrTiO3 compound. The PL emission was more intense in SrTiO3 samples composed of spherelike particles. This behavior was attributed to the existence of a lower amount of defects due to the uniformity of the spherical particles.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Univ São Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, BrazilUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, BrazilUniv Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, BrazilUniv Fed Goias, Inst Fis, BR-74001970 Goiania, Go, BrazilUniv Jaume 1, Dept Quim Fis & Analit, Castellon de La Plana 12071, SpainUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, BrazilCNPq: 70/2008Hindawi Publishing CorporationUniversidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Universidade Federal de São Carlos (UFSCar)Universidade Federal de Goiás (UFG)Univ Jaume 1da Silva, Luis F.Avansi, Waldir [UNESP]Moreira, Mario L. [UNESP]Mesquita, AlexandreMaia, Lauro J. Q.Andres, JuanLongo, Elson [UNESP]Mastelaro, Valmor R.2014-05-20T15:34:08Z2014-05-20T15:34:08Z2012-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article6application/pdfhttp://dx.doi.org/10.1155/2012/890397Journal of Nanomaterials. New York: Hindawi Publishing Corporation, p. 6, 2012.1687-4110http://hdl.handle.net/11449/4243510.1155/2012/890397WOS:000305028300001WOS000305028300001.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of Nanomaterials2.2070,360info:eu-repo/semantics/openAccess2023-12-01T06:12:19Zoai:repositorio.unesp.br:11449/42435Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:12:27.913323Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
title Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
spellingShingle Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
da Silva, Luis F.
title_short Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
title_full Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
title_fullStr Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
title_full_unstemmed Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
title_sort Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
author da Silva, Luis F.
author_facet da Silva, Luis F.
Avansi, Waldir [UNESP]
Moreira, Mario L. [UNESP]
Mesquita, Alexandre
Maia, Lauro J. Q.
Andres, Juan
Longo, Elson [UNESP]
Mastelaro, Valmor R.
author_role author
author2 Avansi, Waldir [UNESP]
Moreira, Mario L. [UNESP]
Mesquita, Alexandre
Maia, Lauro J. Q.
Andres, Juan
Longo, Elson [UNESP]
Mastelaro, Valmor R.
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de São Paulo (USP)
Universidade Estadual Paulista (Unesp)
Universidade Federal de São Carlos (UFSCar)
Universidade Federal de Goiás (UFG)
Univ Jaume 1
dc.contributor.author.fl_str_mv da Silva, Luis F.
Avansi, Waldir [UNESP]
Moreira, Mario L. [UNESP]
Mesquita, Alexandre
Maia, Lauro J. Q.
Andres, Juan
Longo, Elson [UNESP]
Mastelaro, Valmor R.
description This paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, X-ray absorption near-edge structure (XANES) spectroscopy, field emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM) were carried out to investigate the structural and optical properties of the SrTiO3 spherical and cubelike-shaped particles. The appropriate choice of the titanium precursor allowed the control of morphological and photoluminescence (PL) properties of SrTiO3 compound. The PL emission was more intense in SrTiO3 samples composed of spherelike particles. This behavior was attributed to the existence of a lower amount of defects due to the uniformity of the spherical particles.
publishDate 2012
dc.date.none.fl_str_mv 2012-01-01
2014-05-20T15:34:08Z
2014-05-20T15:34:08Z
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 http://dx.doi.org/10.1155/2012/890397
Journal of Nanomaterials. New York: Hindawi Publishing Corporation, p. 6, 2012.
1687-4110
http://hdl.handle.net/11449/42435
10.1155/2012/890397
WOS:000305028300001
WOS000305028300001.pdf
url http://dx.doi.org/10.1155/2012/890397
http://hdl.handle.net/11449/42435
identifier_str_mv Journal of Nanomaterials. New York: Hindawi Publishing Corporation, p. 6, 2012.
1687-4110
10.1155/2012/890397
WOS:000305028300001
WOS000305028300001.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Journal of Nanomaterials
2.207
0,360
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 6
application/pdf
dc.publisher.none.fl_str_mv Hindawi Publishing Corporation
publisher.none.fl_str_mv Hindawi Publishing Corporation
dc.source.none.fl_str_mv Web of Science
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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