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dc.contributor.author
Colombo, Alessia
dc.contributor.author
Dragonetti, Claudia
dc.contributor.author
Roberto, Dominique
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Valore, Adriana
dc.contributor.author
Ferrante, Camilla
dc.contributor.author
Fortunati, Ilaria
dc.contributor.author
Picone, Andrea Lorena
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dc.contributor.author
Todescato, Francesco
dc.contributor.author
Williams, J. A. Gareth
dc.date.available
2018-06-12T17:57:04Z
dc.date.issued
2015-07
dc.identifier.citation
Colombo, Alessia; Dragonetti, Claudia; Roberto, Dominique; Valore, Adriana; Ferrante, Camilla; et al.; Two-photon absorption properties and 1 O 2 generation ability of Ir complexes: an unexpected large cross section of [Ir(CO) 2 Cl(4-(para-di-n-butylaminostyryl)pyridine)]; Royal Society of Chemistry; Dalton Transactions; 44; 35; 7-2015; 15712-15720
dc.identifier.issn
1477-9226
dc.identifier.uri
http://hdl.handle.net/11336/48368
dc.description.abstract
The new complexes cis-[Ir(CO)2Cl(4-(para-di-n-butylaminostyryl)pyridine)] (1) and [Ir(cyclometallated-2-phenylpyridine)2(4,4′-(para-di-n-butylaminostyryl)-2,2′-bipyridine)][PF6] (3) were synthesized and fully characterized along with the known complex Ir(cyclometallated-2-phenylpyridine)2(5-Me-1,10-phenanthroline)][PF6] (2). Remarkably, complex 1, with an Ir(I) centre, displays fluorescence – as opposed to the phosphorescence typical of many Ir(III) complexes – with a modestly high quantum yield in solution, opening a new route for the design of iridium-based emitters which should not be limited to the +3 oxidation state. It is also characterized by an unexpectedly large two-photon absorption (TPA) cross section, an order of magnitude higher than that previously reported for Ir(III) or Pt(II) complexes. The great potential of cyclometallated Ir(III) complexes for photodynamic therapy was confirmed, with 2 and 3 showing a good singlet oxygen generation ability, coupled with a modest TPA activity for 2.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society of Chemistry
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Iridium Complexes
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Two Photon Absorption
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Singlet Oxygen Generation
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Otras Ciencias Químicas
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dc.subject.classification
Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
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dc.title
Two-photon absorption properties and 1 O 2 generation ability of Ir complexes: an unexpected large cross section of [Ir(CO) 2 Cl(4-(para-di-n-butylaminostyryl)pyridine)]
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-12T13:29:06Z
dc.journal.volume
44
dc.journal.number
35
dc.journal.pagination
15712-15720
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Colombo, Alessia. Università degli Studi di Milano; Italia
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Fil: Dragonetti, Claudia. Università degli Studi di Milano; Italia. ISTM; Italia
dc.description.fil
Fil: Roberto, Dominique. Università degli Studi di Milano; Italia. ISTM; Italia
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Fil: Valore, Adriana. Università degli Studi di Milano; Italia
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Fil: Ferrante, Camilla. Università di Padova; Italia
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Fil: Fortunati, Ilaria. Università di Padova; Italia
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Fil: Picone, Andrea Lorena. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Università di Padova; Italia
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Fil: Todescato, Francesco. Università di Padova; Italia
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Fil: Williams, J. A. Gareth. University Of Durham; Reino Unido
dc.journal.title
Dalton Transactions
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1039/C5DT00552C
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2015/DT/C5DT00552C
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