0000000000512831

AUTHOR

Simona Fantacci

0000-0002-5478-5216

showing 2 related works from this author

White-light phosphorescence emission from a single molecule: application to OLED.

2009

A simple mononuclear cyclometallated iridium(III) complex exhibits white photo- and electro- luminescence in the wavelength range from 440 to 800 nm, which originates from a single emitting excited state of mixed character. Bolink Henk, Henk.Bolink@uv.es ; Coronado Miralles, Eugenio, Eugenio.Coronado@uv.es

DesignLuminescenceUNESCO::QUÍMICAAb initioColorchemistry.chemical_elementEfficiency010402 general chemistryPhotochemistry:QUÍMICA [UNESCO]01 natural sciencesCatalysisCopolymerIridium ComplexesMaterials ChemistryOLEDMoleculeIridiumDiodeEmitting DevicesMononuclear cyclometallated iridiumPhosphorescence010405 organic chemistryChemistrybusiness.industryUNESCO::QUÍMICA::Química analíticaMetals and AlloysAb-InitioGeneral ChemistryDiodes0104 chemical sciences3. Good healthSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsBlueOLEDExcited stateGreen:QUÍMICA::Química analítica [UNESCO]Ceramics and CompositesOptoelectronicsMononuclear cyclometallated iridium ; Luminescence ; Phosphorescence ; OLEDLuminescencePhosphorescencebusinessChemical communications (Cambridge, England)
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An inconvenient influence of iridium(III) isomer on OLED efficiency.

2010

The recently reported heteroleptic cyclometallated iridium(III) complex [Ir(2-phenylpyridine)(2)(2-carboxy-4-dimethylaminopyridine)] N984 and its isomer N984b have been studied more in detail. While photo- and electrochemical properties are very similar, DFT/TDDFT calculations show that the two isomers have different HOMO orbital characteristics. As a consequence, solution processed OLEDs made using a mixture of N984 and isomer N984b similar to vacuum processed devices show that the isomer has a dramatic detrimental effect on the performances of the device. In addition, commonly used thermogravimetric analysis is not suitable for showing the isomerization process. The isomer could impact pe…

Thermogravimetric analysisInjectionMaterials scienceLightchemistry.chemical_elementTransportElectrochemistryPhotochemistryIridiumlaw.inventionPhosphorescent OledsInorganic ChemistryIsomerismComplexeslawOLEDElectrochemistryOrganometallic CompoundsDevicesIridiumDopantMolecular StructureConversionTime-dependent density functional theorychemistryElectrochemistry; Iridium; Isomerism; Molecular Structure; Organometallic Compounds; Light; Quantum TheoryGreenQuantum TheoryBipolar HostIsomerizationLight-emitting diodeLight-Emitting-Diodes
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