Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas

Pyrene-labeled dendrimers linked to a fullerene C60or a porphyrin core were designed and synthesized througha convergent synthetic pathway. The energy transfer process that is occuring inside the obtained dendrimers wasstudied by measuring and analysing their absorbance andfluorescence emission prop...

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Authors: Vonlanthen, Mireille, Gonzalez Ortega, Julio, Porcu, Pasquale, Ruiu, Andrea, Rodríguez Alba, Efraín, Cevallos Vallejo, Amanda Sofía, Rivera, Ernesto
Format: article
Status:Published version
Publication Date:2018
Country:Ecuador
Institution:Universidad Regional Amazónica
Repository:Repositorio Universidad Regional Amazónica
OAI Identifier:oai:repositorio.ikiam.edu.ec:RD_IKIAM/298
Online Access:https://doi.org/10.1016/j.synthmet.2018.09.001
http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/298
Access Level:Open access
Keyword:Pyrene
Donor-acceptor
Dendrimer
Fluorescence
Energy transfer
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spelling Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennasVonlanthen, MireilleGonzalez Ortega, JulioPorcu, PasqualeRuiu, AndreaRodríguez Alba, EfraínCevallos Vallejo, Amanda SofíaRivera, ErnestoPyreneDonor-acceptorDendrimerFluorescenceEnergy transferPyrene-labeled dendrimers linked to a fullerene C60or a porphyrin core were designed and synthesized througha convergent synthetic pathway. The energy transfer process that is occuring inside the obtained dendrimers wasstudied by measuring and analysing their absorbance andfluorescence emission properties. All absorptionspectra are showing the typical absorption band of pyrene. No ground state interaction was detected betweenpyrene and porphyrin whereas a slight interaction was observed between pyrene and fullerene C60. An almostquantitative quenching of the pyrenefluorescence emission was observed when coupled with fullerene C60aswell as with porphyrin, indicating effective energy transfer. In the case of fullerene C60, no emission could beseen due its weak intrinsic emission. When the acceptor was a porphyrin moiety,fluorescence emission wasobserved from the free porphyrin as well as from the Zn complex analogue.Elsevier2019-07-11T17:30:08Z2019-07-11T17:30:08Z2018info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfVonlanthen, M., Gonzalez Ortega, J., Porcu, P., Ruiu, A., Rodríguez-Alba, E., Cevallos Vallejo, A., & Rivera, E. (2018). Pyrene-labeled dendrimers functionalized with fullerene C 60 or porphyrin core as light harvesting antennas. Synthetic Metals, 245(February), 195–201. https://doi.org/10.1016/j.synthmet.2018.09.001https://doi.org/10.1016/j.synthmet.2018.09.001http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/298enPRODUCCIÓN CIENTÍFICA-ARTÍCULOS;A-IKIAM-000199Atribución-NoComercial-SinDerivadas 3.0 Estados Unidos de Américahttp://creativecommons.org/licenses/by-nc-nd/3.0/us/info:eu-repo/semantics/openAccessreponame:Repositorio Universidad Regional Amazónicainstname:Universidad Regional Amazónicainstacron:IKIAM2022-06-04T08:04:15Zoai:repositorio.ikiam.edu.ec:RD_IKIAM/298Institucionalhttps://repositorio.ikiam.edu.ec/Universidad públicahttps://www.ikiam.edu.ec/https://repositorio.ikiam.edu.ec/oaiEcuador...opendoar:02022-06-04T08:04:15falseInstitucionalhttps://repositorio.ikiam.edu.ec/Universidad públicahttps://www.ikiam.edu.ec/https://repositorio.ikiam.edu.ec/oai.Ecuador...opendoar:02022-06-04T08:04:15Repositorio Universidad Regional Amazónica - Universidad Regional Amazónicafalse
dc.title.none.fl_str_mv Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
title Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
spellingShingle Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
Vonlanthen, Mireille
Pyrene
Donor-acceptor
Dendrimer
Fluorescence
Energy transfer
title_short Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
title_full Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
title_fullStr Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
title_full_unstemmed Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
title_sort Pyrene-labeled dendrimers functionalized with fullerene C60or porphyrincore as light harvesting antennas
dc.creator.none.fl_str_mv Vonlanthen, Mireille
Gonzalez Ortega, Julio
Porcu, Pasquale
Ruiu, Andrea
Rodríguez Alba, Efraín
Cevallos Vallejo, Amanda Sofía
Rivera, Ernesto
author Vonlanthen, Mireille
author_facet Vonlanthen, Mireille
Gonzalez Ortega, Julio
Porcu, Pasquale
Ruiu, Andrea
Rodríguez Alba, Efraín
Cevallos Vallejo, Amanda Sofía
Rivera, Ernesto
author_role author
author2 Gonzalez Ortega, Julio
Porcu, Pasquale
Ruiu, Andrea
Rodríguez Alba, Efraín
Cevallos Vallejo, Amanda Sofía
Rivera, Ernesto
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Pyrene
Donor-acceptor
Dendrimer
Fluorescence
Energy transfer
topic Pyrene
Donor-acceptor
Dendrimer
Fluorescence
Energy transfer
description Pyrene-labeled dendrimers linked to a fullerene C60or a porphyrin core were designed and synthesized througha convergent synthetic pathway. The energy transfer process that is occuring inside the obtained dendrimers wasstudied by measuring and analysing their absorbance andfluorescence emission properties. All absorptionspectra are showing the typical absorption band of pyrene. No ground state interaction was detected betweenpyrene and porphyrin whereas a slight interaction was observed between pyrene and fullerene C60. An almostquantitative quenching of the pyrenefluorescence emission was observed when coupled with fullerene C60aswell as with porphyrin, indicating effective energy transfer. In the case of fullerene C60, no emission could beseen due its weak intrinsic emission. When the acceptor was a porphyrin moiety,fluorescence emission wasobserved from the free porphyrin as well as from the Zn complex analogue.
publishDate 2018
dc.date.none.fl_str_mv 2018
2019-07-11T17:30:08Z
2019-07-11T17:30:08Z
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv Vonlanthen, M., Gonzalez Ortega, J., Porcu, P., Ruiu, A., Rodríguez-Alba, E., Cevallos Vallejo, A., & Rivera, E. (2018). Pyrene-labeled dendrimers functionalized with fullerene C 60 or porphyrin core as light harvesting antennas. Synthetic Metals, 245(February), 195–201. https://doi.org/10.1016/j.synthmet.2018.09.001
https://doi.org/10.1016/j.synthmet.2018.09.001
http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/298
identifier_str_mv Vonlanthen, M., Gonzalez Ortega, J., Porcu, P., Ruiu, A., Rodríguez-Alba, E., Cevallos Vallejo, A., & Rivera, E. (2018). Pyrene-labeled dendrimers functionalized with fullerene C 60 or porphyrin core as light harvesting antennas. Synthetic Metals, 245(February), 195–201. https://doi.org/10.1016/j.synthmet.2018.09.001
url https://doi.org/10.1016/j.synthmet.2018.09.001
http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/298
dc.language.none.fl_str_mv en
language_invalid_str_mv en
dc.relation.none.fl_str_mv PRODUCCIÓN CIENTÍFICA-ARTÍCULOS;A-IKIAM-000199
dc.rights.none.fl_str_mv Atribución-NoComercial-SinDerivadas 3.0 Estados Unidos de América
http://creativecommons.org/licenses/by-nc-nd/3.0/us/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial-SinDerivadas 3.0 Estados Unidos de América
http://creativecommons.org/licenses/by-nc-nd/3.0/us/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositorio Universidad Regional Amazónica
instname:Universidad Regional Amazónica
instacron:IKIAM
instname_str Universidad Regional Amazónica
instacron_str IKIAM
institution IKIAM
reponame_str Repositorio Universidad Regional Amazónica
collection Repositorio Universidad Regional Amazónica
repository.name.fl_str_mv Repositorio Universidad Regional Amazónica - Universidad Regional Amazónica
repository.mail.fl_str_mv .
_version_ 1869000304968597504
score 15,301603

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