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Highly Photoluminescent Blue Ionic Platinum-Based Emitters

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Highly Photoluminescent Blue Ionic Platinum-Based Emitters

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dc.contributor.author	Sicilia, Violeta
dc.contributor.author	Arnal, Lorenzo
dc.contributor.author	Chueca, Andrés J.
dc.contributor.author	Fuertes, Sara
dc.contributor.author	Babaei, Azin
dc.contributor.author	Igual-Muñoz, Ana M.
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2020-06-24T07:43:45Z
dc.date.available	2020-12-27T05:45:07Z
dc.date.issued	2020
dc.identifier.citation	Sicilia, Violeta Arnal, Lorenzo Chueca, Andrés J. Fuertes, Sara Babaei, Azin Igual-Muñoz, Ana M. Sessolo, Michele Bolink, Henk 2019 Highly Photoluminescent Blue Ionic Platinum-Based Emitters Inorganic Chemistry 59 2 1145 1152
dc.identifier.uri	https://hdl.handle.net/10550/75172
dc.description.abstract	New cycloplatinated N-heterocyclic carbene (NHC) compounds with chelate diphosphines (P^P) as ancillary ligands: [Pt(R-C^C)(P^P)]PF6 (R = H, P^P = dppm (1A), dppe (2A), dppbz (3A); R = CN, P^P = dppm (1B), dppe (2B), dppbz (3B)) have been prepared from the corresponding starting material [{Pt(R-C^C)(μ-Cl)}2] (R = H, A, R = CN, B) and fully characterized. The new compound A has been prepared by a stepwise protocol. The photophysical properties of 1A-3A and 1B-3B have been widely studied and supported by the time-dependent-density functional theory. These compounds show an efficient blue (dppe, dppbz) or cyan (dppm) emission in PMMA films (5 wt %), with photoluminescence quantum yield (PLQY) ranging from 30% to 87% under an argon atmosphere. This emission has been assigned mainly to transitions from 3ILCT [π(NHC) → π(NHC)] excited states with some 3LL'CT [π(NHC) → π(P^P)] character. The electroluminescence of these materials in proof-of-concept solution-processed organic light-emitting diodes containing 3A and 3B as dopants was investigated. The CIE coordinates for devices based on 3A (0.22, 0.41) and 3B (0.24, 0.44) fit within the sky blue region.
dc.language.iso	eng
dc.relation.ispartof	Inorganic Chemistry, 2019, vol. 59, num. 2, p. 1145-1152
dc.subject	Materials
dc.subject	Química
dc.title	Highly Photoluminescent Blue Ionic Platinum-Based Emitters
dc.type	journal article	es_ES
dc.date.updated	2020-06-24T07:43:46Z
dc.identifier.doi	10.1021/acs.inorgchem.9b02782
dc.identifier.idgrec	135966
dc.embargo.terms	1 year
dc.rights.accessRights	open access	es_ES