Rhodamine 6G encapsuled mesoporous silica channels

Detalhes bibliográficos
Autor(a) principal: Saran, Priscila Samara [UNESP]
Data de Publicação: 2009
Outros Autores: Martines, Marco Antonio Utrera [UNESP], Brito, Hermi Felinto de, Castro, Gustavo Rocha de [UNESP], Messaddeq, Younes [UNESP], Ribeiro, Sidney Jose Lima
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.4028/www.scientific.net/AST.55.62
http://hdl.handle.net/11449/10119
Resumo: We report the effect of solvent on the rhodamine 6G encapsuled into channels of mesoporous silica, synthesized by two-step process that gives intermediary stable hybrid micelles. Mesoporous materials have been obtained by the method that involves surfactant micelles (mainly cationic) and inorganic precursor of the structure to be obtained. MSU-X type mesoporous silica has been synthesized with polyethylene oxide surfactant as the directing-structure agent and tetraethyl orthosilicate Si(OEt)(4) as the silica source. The influence of the solvent on the encapsulation of rhodamine dye was systematically explored, specially its influence on the luminescence properties. Rhodamine 6G encapsuled into mesoporous silica channel was characterized by UV-Vis and luminescence spectroscopies, scanning electron microscopy, small angle x ray scattering and N(2) sorption-desorption. The pore size and the solvent effects into luminescence dye encapsuled into mesoporous silica channels are observed in the visible absorption and emission spectra of rhodamine 6G. The intense photo luminescence band of rhodamine 6G dye is in 500 to 600 nm region. The observed shift of the absorption and emission bands can be assigned to the effect of the solvents dielectric constant and pore size of mesoporous silica.
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spelling Rhodamine 6G encapsuled mesoporous silica channelsmesoporous silicatemplaterhodamineluminescenceWe report the effect of solvent on the rhodamine 6G encapsuled into channels of mesoporous silica, synthesized by two-step process that gives intermediary stable hybrid micelles. Mesoporous materials have been obtained by the method that involves surfactant micelles (mainly cationic) and inorganic precursor of the structure to be obtained. MSU-X type mesoporous silica has been synthesized with polyethylene oxide surfactant as the directing-structure agent and tetraethyl orthosilicate Si(OEt)(4) as the silica source. The influence of the solvent on the encapsulation of rhodamine dye was systematically explored, specially its influence on the luminescence properties. Rhodamine 6G encapsuled into mesoporous silica channel was characterized by UV-Vis and luminescence spectroscopies, scanning electron microscopy, small angle x ray scattering and N(2) sorption-desorption. The pore size and the solvent effects into luminescence dye encapsuled into mesoporous silica channels are observed in the visible absorption and emission spectra of rhodamine 6G. The intense photo luminescence band of rhodamine 6G dye is in 500 to 600 nm region. The observed shift of the absorption and emission bands can be assigned to the effect of the solvents dielectric constant and pore size of mesoporous silica.UNESP, Fac Engn Ilha Solteira, Dept Chem & Phys, BR-15385000 Ilha Solteira, SP, BrazilUNESP, Fac Engn Ilha Solteira, Dept Chem & Phys, BR-15385000 Ilha Solteira, SP, BrazilTrans Tech Publications LtdUniversidade Estadual Paulista (Unesp)Saran, Priscila Samara [UNESP]Martines, Marco Antonio Utrera [UNESP]Brito, Hermi Felinto deCastro, Gustavo Rocha de [UNESP]Messaddeq, Younes [UNESP]Ribeiro, Sidney Jose Lima2014-05-20T13:29:51Z2014-05-20T13:29:51Z2009-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject62-67http://dx.doi.org/10.4028/www.scientific.net/AST.55.62Smart Optics. Stafa-zurich: Trans Tech Publications Ltd, v. 55, p. 62-67, 2009.1662-0356http://hdl.handle.net/11449/10119WOS:000265013000011Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengSmart Opticsinfo:eu-repo/semantics/openAccess2024-07-10T14:08:21Zoai:repositorio.unesp.br:11449/10119Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:40:40.814214Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Rhodamine 6G encapsuled mesoporous silica channels
title Rhodamine 6G encapsuled mesoporous silica channels
spellingShingle Rhodamine 6G encapsuled mesoporous silica channels
Saran, Priscila Samara [UNESP]
mesoporous silica
template
rhodamine
luminescence
title_short Rhodamine 6G encapsuled mesoporous silica channels
title_full Rhodamine 6G encapsuled mesoporous silica channels
title_fullStr Rhodamine 6G encapsuled mesoporous silica channels
title_full_unstemmed Rhodamine 6G encapsuled mesoporous silica channels
title_sort Rhodamine 6G encapsuled mesoporous silica channels
author Saran, Priscila Samara [UNESP]
author_facet Saran, Priscila Samara [UNESP]
Martines, Marco Antonio Utrera [UNESP]
Brito, Hermi Felinto de
Castro, Gustavo Rocha de [UNESP]
Messaddeq, Younes [UNESP]
Ribeiro, Sidney Jose Lima
author_role author
author2 Martines, Marco Antonio Utrera [UNESP]
Brito, Hermi Felinto de
Castro, Gustavo Rocha de [UNESP]
Messaddeq, Younes [UNESP]
Ribeiro, Sidney Jose Lima
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Saran, Priscila Samara [UNESP]
Martines, Marco Antonio Utrera [UNESP]
Brito, Hermi Felinto de
Castro, Gustavo Rocha de [UNESP]
Messaddeq, Younes [UNESP]
Ribeiro, Sidney Jose Lima
dc.subject.por.fl_str_mv mesoporous silica
template
rhodamine
luminescence
topic mesoporous silica
template
rhodamine
luminescence
description We report the effect of solvent on the rhodamine 6G encapsuled into channels of mesoporous silica, synthesized by two-step process that gives intermediary stable hybrid micelles. Mesoporous materials have been obtained by the method that involves surfactant micelles (mainly cationic) and inorganic precursor of the structure to be obtained. MSU-X type mesoporous silica has been synthesized with polyethylene oxide surfactant as the directing-structure agent and tetraethyl orthosilicate Si(OEt)(4) as the silica source. The influence of the solvent on the encapsulation of rhodamine dye was systematically explored, specially its influence on the luminescence properties. Rhodamine 6G encapsuled into mesoporous silica channel was characterized by UV-Vis and luminescence spectroscopies, scanning electron microscopy, small angle x ray scattering and N(2) sorption-desorption. The pore size and the solvent effects into luminescence dye encapsuled into mesoporous silica channels are observed in the visible absorption and emission spectra of rhodamine 6G. The intense photo luminescence band of rhodamine 6G dye is in 500 to 600 nm region. The observed shift of the absorption and emission bands can be assigned to the effect of the solvents dielectric constant and pore size of mesoporous silica.
publishDate 2009
dc.date.none.fl_str_mv 2009-01-01
2014-05-20T13:29:51Z
2014-05-20T13:29:51Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/conferenceObject
format conferenceObject
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.4028/www.scientific.net/AST.55.62
Smart Optics. Stafa-zurich: Trans Tech Publications Ltd, v. 55, p. 62-67, 2009.
1662-0356
http://hdl.handle.net/11449/10119
WOS:000265013000011
url http://dx.doi.org/10.4028/www.scientific.net/AST.55.62
http://hdl.handle.net/11449/10119
identifier_str_mv Smart Optics. Stafa-zurich: Trans Tech Publications Ltd, v. 55, p. 62-67, 2009.
1662-0356
WOS:000265013000011
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Smart Optics
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 62-67
dc.publisher.none.fl_str_mv Trans Tech Publications Ltd
publisher.none.fl_str_mv Trans Tech Publications Ltd
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
_version_ 1808128842786668544