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Green light-emitting electrochemical cells based on platinum(ii) complexes with a carbazole-appended carbene ligand

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Green light-emitting electrochemical cells based on platinum(ii) complexes with a carbazole-appended carbene ligand

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dc.contributor.author	Fuertes, Sara
dc.contributor.author	Mardegan, Lorenzo
dc.contributor.author	Martínez, Ignacio
dc.contributor.author	Ventura, Silvia
dc.contributor.author	Ara, Irene
dc.contributor.author	Tordera Salvador, Daniel
dc.contributor.author	Bolink, Henk
dc.contributor.author	Sicilia, Violeta
dc.date.accessioned	2023-02-07T14:16:59Z
dc.date.available	2023-02-07T14:16:59Z
dc.date.issued	2022
dc.identifier.citation	Fuertes, Sara Mardegan, Lorenzo Martínez, Ignacio Ventura, Silvia Ara, Irene Tordera Salvador, Daniel Bolink, Henk Sicilia, Violeta 2022 Green light-emitting electrochemical cells based on platinum(ii) complexes with a carbazole-appended carbene ligand Journal Of Materials Chemistry C 10 41 15491 15500
dc.identifier.uri	https://hdl.handle.net/10550/85335
dc.description.abstract	Platinum(II) complexes bearing new carbazole-appended cyclometallated N-heterocyclic carbenes such as [Pt(Cbz-C^C)Cl(NCCH3)](3), [Pt(Cbz-C^C)Cl(PPh3)](4), [Pt(Cbz-C^C)(PPh3)(py)]PF6 (py = pyridine, 5), [Pt(Cbz-C^C)(P^N)]PF6 (P^N = 2-(2-(diphenylphosphino) ethyl) pyridine, 6), and [Pt(Cbz-C^C*)(P^P)]PF6 (P^P: 1,1-bis(diphenylphosphino)methane, dppm 7; 1,2-bis(diphenylphosphino)ethane, dppe, 8, 1,2-bis(diphenylphosphino) benzene, dppbz, 9) have been prepared using a stepwise procedure from 9-(4-bromo-phenyl)-9H-carbazole, imidazole, [{Pt(μ-Cl)(η3-2-Me-C3H4)}2] and the corresponding ancillary ligands. They have been fully characterized. Also, single-crystal X-ray structures, theoretical calculations and photophysical studies have been performed. These complexes have been employed as emitters in simple solution-processed light-emitting electrochemical cells (LECs). When driven under a pulsed current of 50 A m−2, devices based on 7-9 exhibited green emission, a luminance of 265 cd m−2 and a current efficiency of 5.7 cd A−1 (for the best performing emitter, 7). As far as we know, these are the first examples of green-emitting Pt(II)-based LECs.
dc.language.iso	eng
dc.relation.ispartof	Journal Of Materials Chemistry C, 2022, vol. 10, num. 41, p. 15491-15500
dc.subject	Materials
dc.subject	Electroquímica
dc.title	Green light-emitting electrochemical cells based on platinum(ii) complexes with a carbazole-appended carbene ligand
dc.type	journal article	es_ES
dc.date.updated	2023-02-07T14:16:59Z
dc.identifier.doi	10.1039/D2TC02539F
dc.identifier.idgrec	156135
dc.rights.accessRights	open access	es_ES