Rhodamine 6G encapsuled mesoporous silica channels
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , , , , |
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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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 |