Publication:
Synthesis of biscyclometalated iridium(III) acetylacetonate complexes via a 15 min bridge-splitting reaction, their characterisations and photophysical properties

dc.contributor.authorAydemir, Murat
dc.contributor.authorDos Santos, Paloma L.
dc.contributor.authorMonkman, Andrew P.
dc.contributor.buuauthorAltınölçek, Nuray
dc.contributor.buuauthorTavaslı, Mustafa
dc.contributor.departmentFen Edebiyat Fakültesi
dc.contributor.departmentKimya Bölümü
dc.contributor.orcid0000-0002-9466-1111
dc.contributor.researcheridAAB-1630-2020
dc.contributor.scopusid56955836600
dc.contributor.scopusid6506308760
dc.date.accessioned2023-02-09T07:14:27Z
dc.date.available2023-02-09T07:14:27Z
dc.date.issued2017-09-19
dc.description.abstractChloro-bridged diiridium(III) complexes (4a and 4b) were subjected to a bridge-splitting reaction with acetylacetone and sodium carbonate in 2-ethoxyethanol. The reaction was complete within 15 min and two novel biscyclometalated iridium(III) acetylacetonate complexes (5a and 5b) were successfully obtained in 41% and 63%, respectively. Complexes (5a and 5b) were fully characterised by H-1, C-13 NMR, FT-IR and elemental analysis. UV-Vis spectra of complexes (5a and 5b) showed two absorption bands: a strong one appears below 400 nm due to ligand-centered (LC, pi-pi*) transitions and the weak one arises between 400 and 600 nm due to metal-to-ligand charge-transfer (MLCT, d-pi*) transitions. The emission of the complexes (5a and 5b) arises in the red region of the spectrum, emitting ca. 675 nm for 5a and ca. 625 nm for 5b. A short emission lifetime (62 ns) for complex 5a indicates emission originates from (LC)-L-3 transitions. However longer emission lifetime (657 ns) for complex 5b confirms that the emission totally results from (MLCT)-M-3 transitions.
dc.description.sponsorshipCAPES Foundation of Brasilia - DF 70040-020
dc.identifier.citationAltınölçek, N. vd. (2017). ''Synthesis of biscyclometalated iridium(III) acetylacetonate complexes via a 15 min bridge-splitting reaction, their characterisations and photophysical properties''. Journal of Organometallic Chemistry, 851, 184-188.
dc.identifier.endpage188
dc.identifier.issn0022-328X
dc.identifier.scopus2-s2.0-85030085538
dc.identifier.startpage184
dc.identifier.urihttps://doi.org/10.1016/j.jorganchem.2017.09.028
dc.identifier.uri1872-8561
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0022328X1730548X
dc.identifier.urihttp://hdl.handle.net/11452/30927
dc.identifier.volume851
dc.identifier.wos000414172000021
dc.indexed.wosSCIE
dc.indexed.wosIC
dc.language.isoen
dc.publisherElsevier
dc.relation.bapKUAP (F)-2016/8
dc.relation.collaborationYurt dışı
dc.relation.collaborationYurt içi
dc.relation.journalJournal of Organometallic Chemistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectChemistry
dc.subjectBridge-splitting
dc.subjectBiscyclometalated iridium(III) complexes
dc.subject2-Phenylpyridine
dc.subjectFormyl group
dc.subjectLight-emitting-diodesphos
dc.subjectPhorescent ir(III) complexes
dc.subjectElectrochemical properties
dc.subject2-phenylpyridine ligands
dc.subjectState properties
dc.subjectEmission color
dc.subjectRed
dc.subjectBlue
dc.subjectDevices
dc.subjectElectroluminescence
dc.subjectAcetone
dc.subjectCharge transfer
dc.subjectComplexation
dc.subjectIridium
dc.subjectLigands
dc.subjectSynthesis (chemical)
dc.subjectAcetylacetonate complexes
dc.subjectEmission lifetime
dc.subjectFormyl group
dc.subjectIridium complex
dc.subjectMetal to ligand charge transfers
dc.subjectPhotophysical properties
dc.subjectSplitting reactions
dc.subjectIridium compounds
dc.subject.scopusLigands; Organic Light-emitting Diodes; 2-Phenylpyridine
dc.subject.wosChemistry, inorganic & nuclear
dc.subject.wosChemistry, organic
dc.titleSynthesis of biscyclometalated iridium(III) acetylacetonate complexes via a 15 min bridge-splitting reaction, their characterisations and photophysical properties
dc.typeArticle
dc.wos.quartileQ2 (Chemistry, inorganic & nuclear)
dc.wos.quartileQ3 (Chemistry, organic)
dspace.entity.typePublication
local.contributor.departmentFen Edebiyat Fakültesi/Kimya Bölümü
local.indexed.atScopus
local.indexed.atWOS

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