RT Journal Article
T1 Medium Diradical Character, Small Hole and Electron Reorganization Energies and Ambipolar Transistors in Difluorenoheteroles
A1 Mori, Sakura
A1 Moles Quintero, Sergio
A1 Tabaka, Naoki
A1 Kishi, Ryohei
A1 González-Núñez, Raúl
A1 Harbuzaru, Alexandra
A1 Ponce-Ortiz, Rocío
A1 Marín-Beloqui, José Manuel
A1 Suzuki, Shuichi
A1 Kitamura, Chitoshi
A1 Gómez-García, Carlos J.
A1 Dai, Yasi
A1 Negri, Fabrizia
A1 Masayoshi, Nakano
A1 Kato, Shin-ichiro
A1 Casado-Cordón, Juan
K1 Química física
AB Four difluorenoheteroleshavinga centralquinoidalcore with the heteroringvaryingas furan,thiophene,its dioxidederivativeand pyrrolehave shownto be mediumcharacterdiradicals.Solid-statestructures,optical,photophysical,magnetic,and electrochemicalpropertieshave been discussedin termsof diradicalcharacter,variationof aromaticcharacterand captoda-tive effects(electronaffinity).Organicfield-effecttran-sistors(OFETs)have been prepared,showingbalancedholeand  electronmobilitiesof  the  orderof103cm2V1s1or ambipolarchargetransportwhichisfirst inferredfrom their redoxamphoterism.Quantumchemicalcalculationsshow that the electricalbehaviorisoriginatedfrom the mediumdiradicalcharacterwhichproducessimilarreorganizationenergiesfor hole andelectrontransports.The visionof a diradicalas simulta-neouslybearingpseudo-holeand pseudo-electronde-fects might justifythe reducedvaluesof reorganizationenergiesfor both regimes.Structure-functionrelation-ships betweendiradicaland ambipolarelectricalbehav-ior are revealed.
PB Wiley
YR 2022
FD 2022-06-13
LK https://hdl.handle.net/10630/24612
UL https://hdl.handle.net/10630/24612
LA eng
NO S. Mori, S. Moles Quintero, N. Tabaka, R. Kishi, R. González Núñez, A. Harbuzaru, R. Ponce Ortiz, J. Marín-Beloqui, S. Suzuki, C. Kitamura, C. J. Gómez-García, Y. Dai, F. Negri, M. Nakano, S.-i. Kato, J. Casado, Angew. Chem. Int. Ed. 2022, e202206680; Angew. Chem. 2022, e202206680.
NO The authorsthankthe SpanishMinistryof ScienceandInnovation(projectsMINECO/FEDERPGC2018-098533-B-100,and PID2019-110305GB-I00),the Junta de Andalucíaand GeneralidadValenciana,Spain (UMA18FEDERJA057,P18-FR-4549and Prometeo/2019/076)and JSPS KAKENHIgrant (JP21K05042for S.-i.K.,JP21K04995and JP21H05489for R.K., JP21H01887and JP20K21173for M.N.).S.-i.K.gratefullyacknowledgesthe AsahiGlassFoundationforfinancialsupport.We also thankthe ResearchCentralServices(SCAI)of the Universityof Málaga,UnidaddeEspectroscopíaVibracional(Dra. Capely Dr. Zafra)andUnidadde OpticaNo-Linealy EspectroscopíaUltrarápida(Dr. Román).This work was partiallysupportedby theCooperativeResearchProgram“NetworkJoint ResearchCenterfor Materialsand Devices”(KyushuUniversity).WethankProf. ShuheiHigashibayashi(KeioUniversity)forassistancewith synthesis.Mass spectrometricdata werecollectedat HiroshimaUniversity(N-BARD:Ms. TomokoAmimoto).Theoreticalcalculationswere partlyperformedusing ResearchCenterfor ComputationalScience(R-CCS),Okazaki,Japan.F.N and Y.D. acknowledgesupportfrom“Valutazionedella Ricercadi Ateneo”(VRA)—Universityof Bologna.Y.D. acknowledgesMinisterodell’Universitàedella Ricerca(MUR)for her Ph.D. fellowship.Funding for open access charge: Universidad de Málaga / CBUA
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 20 ene 2026