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Dibenzoquinone cyclopentadithiophene diradicaloids show optical transitions of different spin states and anomalous near-infrared emission

dc.contributor.authorPrivado, María
dc.contributor.authorMoles Quintero, Sergio
dc.contributor.authorBarrejón, Myriam
dc.contributor.authorDe-la-Cruz, Pilar
dc.contributor.authorJanaarthana Babu, P.M.
dc.contributor.authorCasanova, David
dc.contributor.authorLanga, Fernando
dc.contributor.authorCasado-Cordón, Juan 
dc.date.accessioned2025-01-21T12:55:28Z
dc.date.available2025-01-21T12:55:28Z
dc.date.issued2024
dc.identifier.citationM. Privado, S. Moles Quintero, M. Barrejón, P. de La Cruz, J. B. P. M., D. Casanova, F. Langa, J. Casado, Angew. Chem. Int. Ed. 2025, 64, e202413988. https://doi.org/10.1002/anie.202413988es_ES
dc.identifier.urihttps://hdl.handle.net/10630/36654
dc.description.abstractWe have prepared a series of bis(semiquinone) compounds with dithiophene bridges of different length that evolve from closed-shell (smaller compound) to full diradical (longer compound) for which the narrow singlet-triplet energy gap allows the triplet population at 298 K. The medium size system has a variety of photonic properties with absorptions and emission in the optical near-infrared region mediated by a unique case of anti-Kasha emission. A whole set of optical absorption/emission and vibrational steady state spectroscopies as well as picosecond transient absorption spectroscopy, all complemented with spectroelectrochemistry and theoretical calculations, is presented.es_ES
dc.description.sponsorshipFinancial support by the MCIN/AEI of Spain (projects PID2021-127127NB-I00, PID2022-141687OB-I00, PID2022-136231NB-I00 and RED2022-134939-T—Red de Fotovoltaica—, the Junta de Comunidades de Castilla-La Mancha and European Social Funds (SBPLY/21/180501/000142), the Junta de Andalucía (PROYEXCEL-0328) and the Eusko Jaularitza (project PIBA23-1-0055) are acknowledged. We also thank the Research Central Services (SCAI) and Supercomputing and Bioinnovation Center (SCBI) of the University of Málaga. Funding for open access charge: Universidad de Málaga / CBUAes_ES
dc.language.isoenges_ES
dc.publisherWileyes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectReactividad (Química)es_ES
dc.subjectRadicales (Química)es_ES
dc.subject.otherDiradicaloidses_ES
dc.subject.otherDithiophene oligomerses_ES
dc.subject.otherSinglet-triplet gapes_ES
dc.subject.otherIntersystem crossinges_ES
dc.subject.otherKasha rulees_ES
dc.subject.otherThermal spin-crossoveres_ES
dc.titleDibenzoquinone cyclopentadithiophene diradicaloids show optical transitions of different spin states and anomalous near-infrared emissiones_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.centroFacultad de Cienciases_ES
dc.identifier.doi10.1002/anie.202413988
dc.rights.ccAtribución-NoComercial 4.0 Internacional*
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones_ES
dc.departamentoQuímica Física


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