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dc.contributor.author
Aydogan, Akin
dc.contributor.author
Bangle, Rachel E.
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Cadranel, Alejandro
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dc.contributor.author
Turlington, Michael D.
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Conroy, Daniel T.
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Cauët, Emilie
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Singleton, Michael L.
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Meyer, Gerald J.
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Sampaio, Renato N.
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Elias, Benjamin
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Troian Gautier, Ludovic
dc.date.available
2022-12-21T11:02:54Z
dc.date.issued
2021-09
dc.identifier.citation
Aydogan, Akin; Bangle, Rachel E.; Cadranel, Alejandro; Turlington, Michael D.; Conroy, Daniel T.; et al.; Accessing Photoredox Transformations with an Iron(III) Photosensitizer and Green Light; American Chemical Society; Journal of the American Chemical Society; 143; 38; 9-2021; 15661-15673
dc.identifier.issn
0002-7863
dc.identifier.uri
http://hdl.handle.net/11336/181873
dc.description.abstract
Efficient excited-state electron transfer between an iron(III) photosensitizer and organic electron donors was realized with green light irradiation. This advance was enabled by the use of the previously reported iron photosensitizer, [Fe(phtmeimb)2]+ (phtmeimb = {phenyl[tris(3-methyl-imidazolin-2-ylidene)]borate}, that exhibited long-lived and luminescent ligand-to-metal charge-transfer (LMCT) excited states. A benchmark dehalogenation reaction was investigated with yields that exceed 90% and an enhanced stability relative to the prototypical photosensitizer [Ru(bpy)3]2+. The initial catalytic step is electron transfer from an amine to the photoexcited iron sensitizer, which is shown to occur with a large cage-escape yield. For LMCT excited states, this reductive electron transfer is vectorial and may be a general advantage of Fe(III) photosensitizers. In-depth time-resolved spectroscopic methods, including transient absorption characterization from the ultraviolet to the infrared regions, provided a quantitative description of the catalytic mechanism with associated rate constants and yields.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
photoredox catalysis
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electron transfer
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iron
dc.subject.classification
Físico-Química, Ciencia de los Polímeros, Electroquímica
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Accessing Photoredox Transformations with an Iron(III) Photosensitizer and Green Light
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-10-03T18:49:30Z
dc.journal.volume
143
dc.journal.number
38
dc.journal.pagination
15661-15673
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Washington
dc.description.fil
Fil: Aydogan, Akin. Université Catholique de Louvain; Bélgica
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Fil: Bangle, Rachel E.. University of North Carolina; Estados Unidos
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Fil: Cadranel, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
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Fil: Turlington, Michael D.. University of North Carolina; Estados Unidos
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Fil: Conroy, Daniel T.. University of North Carolina; Estados Unidos
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Fil: Cauët, Emilie. Université Libre de Bruxelles; Bélgica
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Fil: Singleton, Michael L.. Université Catholique de Louvain; Bélgica
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Fil: Meyer, Gerald J.. University of North Carolina; Estados Unidos
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Fil: Sampaio, Renato N.. Brookhaven National Laboratory; Estados Unidos
dc.description.fil
Fil: Elias, Benjamin. Université Catholique de Louvain; Bélgica
dc.description.fil
Fil: Troian Gautier, Ludovic. Université Catholique de Louvain; Bélgica
dc.journal.title
Journal of the American Chemical Society
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/jacs.1c06081
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/jacs.1c06081
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