Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells

A new series of cationic blue-emitting, heteroleptic iridium(III)-based metal complexes were systematically synthesized using two 4,6-difluorophenylpyridine ligands as well as one methyl- or n-butyl-substituted bisimidazolium salt carbene-type ligand. In degassed CH2Cl2, all complexes display highly...

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Detalhes bibliográficos
Autores: Yang, Cheng-Han, Beltrán Fínez, Juan Ignacio, Lemaur, Vincent, Cornil, Jérôme, Hartmann, David, Sarfert, Wiebke, Fröhlich, Roland, Bizzarri, Claudia, De Cola, Luisa
Tipo de documento: artigo
Data de publicação:2010
País:España
Recursos:Universidad Complutense de Madrid (UCM)
Repositório:Docta Complutense
Idioma:inglês
OAI Identifier:oai:docta.ucm.es:20.500.14352/93122
Acesso em linha:https://hdl.handle.net/20.500.14352/93122
Access Level:Acceso aberto
Palavra-chave:53
Física (Física)
22 Física
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spelling Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cellsYang, Cheng-HanBeltrán Fínez, Juan IgnacioLemaur, VincentCornil, JérômeHartmann, DavidSarfert, WiebkeFröhlich, RolandBizzarri, ClaudiaDe Cola, Luisa53Física (Física)22 FísicaA new series of cationic blue-emitting, heteroleptic iridium(III)-based metal complexes were systematically synthesized using two 4,6-difluorophenylpyridine ligands as well as one methyl- or n-butyl-substituted bisimidazolium salt carbene-type ligand. In degassed CH2Cl2, all complexes display highly efficient, blue phosphorescence (λmax ∼ 452 nm; emission quantum yield ∼ 0.30) at room temperature and also show blue emission in a thin film. The measured photophysical properties of the complexes have been rationalized with the help of quantum-chemical calculations. Because of the high solubility of the complexes, solution-processed devices, light-emitting electrochemical cells (LEECs), were made. The results showed that true blue emission and short turn-on time is achieved when an ionic conductor, tetrabutylammonium trifluoromethanesulfonate, was used as the matrix for the film containing the emitters. These iridium complexes and the described devices are the bluest materials ever reported and the first case of LEECs based on carbene ligands.American Chemical SocietyUniversidad Complutense de Madrid20102010-01-0120102010-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/93122reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)InglésengEuropean Commission http://dx.doi.org/10.13039/501100000780 Seventh Framework Programme 2123112.4617.07 Not available Not availableopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/931222026-06-02T12:44:21Z
dc.title.none.fl_str_mv Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
title Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
spellingShingle Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
Yang, Cheng-Han
53
Física (Física)
22 Física
title_short Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
title_full Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
title_fullStr Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
title_full_unstemmed Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
title_sort Iridium metal complexes containing N-heterocyclic carbene ligands for blue-light-emitting electrochemical cells
dc.creator.none.fl_str_mv Yang, Cheng-Han
Beltrán Fínez, Juan Ignacio
Lemaur, Vincent
Cornil, Jérôme
Hartmann, David
Sarfert, Wiebke
Fröhlich, Roland
Bizzarri, Claudia
De Cola, Luisa
author Yang, Cheng-Han
author_facet Yang, Cheng-Han
Beltrán Fínez, Juan Ignacio
Lemaur, Vincent
Cornil, Jérôme
Hartmann, David
Sarfert, Wiebke
Fröhlich, Roland
Bizzarri, Claudia
De Cola, Luisa
author_role author
author2 Beltrán Fínez, Juan Ignacio
Lemaur, Vincent
Cornil, Jérôme
Hartmann, David
Sarfert, Wiebke
Fröhlich, Roland
Bizzarri, Claudia
De Cola, Luisa
author2_role author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 53
Física (Física)
22 Física
topic 53
Física (Física)
22 Física
description A new series of cationic blue-emitting, heteroleptic iridium(III)-based metal complexes were systematically synthesized using two 4,6-difluorophenylpyridine ligands as well as one methyl- or n-butyl-substituted bisimidazolium salt carbene-type ligand. In degassed CH2Cl2, all complexes display highly efficient, blue phosphorescence (λmax ∼ 452 nm; emission quantum yield ∼ 0.30) at room temperature and also show blue emission in a thin film. The measured photophysical properties of the complexes have been rationalized with the help of quantum-chemical calculations. Because of the high solubility of the complexes, solution-processed devices, light-emitting electrochemical cells (LEECs), were made. The results showed that true blue emission and short turn-on time is achieved when an ionic conductor, tetrabutylammonium trifluoromethanesulfonate, was used as the matrix for the film containing the emitters. These iridium complexes and the described devices are the bluest materials ever reported and the first case of LEECs based on carbene ligands.
publishDate 2010
dc.date.none.fl_str_mv 2010
2010-01-01
2010
2010-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/93122
url https://hdl.handle.net/20.500.14352/93122
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv European Commission http://dx.doi.org/10.13039/501100000780 Seventh Framework Programme 212311
2.4617.07 Not available Not available
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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