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Applied Physics Letters, ISSN 0003-6951, 07/2003, Volume 83, Issue 3, pp. 569 - 571
We have significantly improved the emission efficiency in an organic light-emitting device (OLED) based on iridium... 
EMISSION | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE
Journal Article
Nature Communications, ISSN 2041-1723, 05/2014, Volume 5, Issue 1, pp. 4016 - 4016
Fluorescence-based organic light-emitting diodes have continued to attract interest because of their long operational lifetimes, high colour purity of... 
COMPLEX | ELECTROPHOSPHORESCENCE | ACTIVATED DELAYED FLUORESCENCE | ELECTROLUMINESCENT DEVICES | MULTIDISCIPLINARY SCIENCES
Journal Article
Applied Physics Letters, ISSN 0003-6951, 06/2008, Volume 92, Issue 22, pp. 223301 - 223301-3
We report a significant improvement in the efficiency of deep-blue phosphorescent organic light-emitting devices based on the electrophosphorescent dye bis( 4... 
TRANSPORT | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | DIODES
Journal Article
Applied Physics Letters, ISSN 0003-6951, 12/2007, Volume 91, Issue 26, pp. 263503 - 263503-3
We demonstrate high-efficiency white organic light emitting devices (WOLEDs) employing three adjacent phosphorescent emission layers (3-EMLs). The... 
PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | DIODES | TRANSIENT ANALYSIS
Journal Article
Applied Physics Letters, ISSN 0003-6951, 01/2008, Volume 92, Issue 2, pp. 023513 - 023513-3
Origin of efficiency roll-off in phosphorescent organic light-emitting diodes was investigated with triplet mixed host devices and stable devices with little... 
PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | TRANSIENT ANALYSIS
Journal Article
Applied Physics Letters, ISSN 0003-6951, 12/2010, Volume 97, Issue 24, pp. 243304 - 243304-3
Delayed electroluminescence measurements are used to probe and differentiate between triplet-triplet-annihilation (TTA) and triplet-polaron-quenching (TPQ)... 
PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | DIODES | MECHANISM | EMISSION | ELECTROLUMINESCENCE
Journal Article
Applied Physics Letters, ISSN 0003-6951, 08/2008, Volume 93, Issue 6, pp. 063303 - 063303-3
Using an Ir ( ppy ) 3 metal complex doped in 4 , 4 ′ 4 ″ -tris( N -carbazolyl)-triphenylamine hole and bis[2-(2-hydroxyphenyl)-pyridine]beryllium electron... 
COMPLEX | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | DIODES
Journal Article
Applied Physics Letters, ISSN 0003-6951, 05/2007, Volume 90, Issue 22, pp. 223508 - 223508-3
The authors demonstrate that the reduction of quantum efficiency with increasing current density in phosphorescent light emitting diodes (PhOLEDs) is related... 
DEVICES | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | EMISSION | LAYERS
Journal Article
Applied Physics Letters, ISSN 0003-6951, 09/2001, Volume 79, Issue 13, pp. 2082 - 2084
Intermolecular energy transfer processes typically involve an exothermic transfer of energy from a donor site to a molecule with a substantially lower-energy... 
DEVICES | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | ELECTROLUMINESCENCE | TRANSIENT ANALYSIS
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 0163-1829, 10/2000, Volume 62, Issue 16, pp. 10967 - 10977
Journal Article
Applied Physics Letters, ISSN 0003-6951, 04/2002, Volume 80, Issue 13, pp. 2308 - 2310
High efficiency has been achieved in polymer light-emitting diodes (PLEDs) exhibiting red emission by doping a fluorescence host material, poly(vinylcarbazole)... 
DEVICES | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | ELECTROLUMINESCENCE
Journal Article
Applied Physics Letters, ISSN 0003-6951, 02/2005, Volume 86, Issue 7, pp. 071104 - 071104-3
We demonstrate that three Ir ( III ) complexes used as principal dopants in organic electrophosphorescent diodes have very high photoluminescence quantum... 
CONFINEMENT | LIGHT-EMITTING DEVICES | PHYSICS, APPLIED | ENERGY-TRANSFER | ELECTROPHOSPHORESCENCE
Journal Article
Applied Physics Letters, ISSN 0003-6951, 09/2008, Volume 93, Issue 12, pp. 123306 - 123306-3
We have studied the effects of the hole transporting layers and electron transporting layers on the device efficiencies of iridium(III)... 
CONFINEMENT | WHITE-LIGHT | PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | EFFICIENT | TRANSIENT ANALYSIS
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 11/2012, Volume 134, Issue 46, pp. 19179 - 19188
Two dibenzothiophene (DBT)-based phosphine oxide hosts, named 4-diphenylphosphoryl dibenzothiophene (DBTSPO) and 4,6-bis(diphenylphosphoryl) dibenzothiophene... 
LIGHT-EMITTING-DIODES | EFFICIENT BLUE ELECTROPHOSPHORESCENCE | TRIPLET ENERGY | EXCITED-STATE | BIPOLAR HOST | PHOSPHORESCENT EMISSION | ORGANIC ELECTROPHOSPHORESCENCE | LOW DRIVING VOLTAGE | DEVICES | HIGHLY-EFFICIENT | CHEMISTRY, MULTIDISCIPLINARY | Analysis | Substitution reactions | Molecular orbitals | Thiophene | Chemical properties | Research | Electron transport
Journal Article
Chemistry of Materials, ISSN 0897-4756, 12/2011, Volume 23, Issue 24, pp. 5331 - 5339
A series of phosphine oxide (PO) hosts based on diphenylphosphine oxide and spiro[fluorene-9,9'-xanthene] (SFX) moieties, SFX2PO, SFX27PO, SFX2'PO, and... 
host | electrophosphorescence | spiro-compounds | phosphine oxide | substitution effect | ENERGY | BIPOLAR HOST | PHOSPHORESCENT EMISSION | MATERIALS SCIENCE, MULTIDISCIPLINARY | ORGANIC ELECTROPHOSPHORESCENCE | CHEMISTRY, PHYSICAL
Journal Article
Organic Letters, ISSN 1523-7060, 08/2010, Volume 12, Issue 15, pp. 3438 - 3441
Five carbazole end-capped heterofluorenes (CzHFs) designed by structurally mimicking 4,4'-N,N'-dicarbazole-biphenyl (CBP) via connecting the biphenyl core of... 
CHEMISTRY, ORGANIC | ELECTROPHOSPHORESCENCE | ELECTROLUMINESCENT DEVICES | EFFICIENT
Journal Article
Chemical Communications, ISSN 1359-7345, 11/2013, Volume 49, Issue 88, pp. 10385 - 10387
Efficient thermally activated delayed fluorescence was observed from a spiro-anthracenone derivative (ACRSA). An organic light-emitting diode containing ACRSA... 
ELECTROPHOSPHORESCENCE | DEVICES | HOST | CU(I) COMPLEXES | EFFICIENCY | CHEMISTRY, MULTIDISCIPLINARY | ELECTROLUMINESCENCE | SINGLET
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 03/2007, Volume 75, Issue 12
We investigate quenching processes which contribute to the roll-off in quantum efficiency of phosphorescent organic light-emitting diodes (OLED's) at high... 
THIN-FILMS | PHYSICS, CONDENSED MATTER | ELECTROPHOSPHORESCENCE | DEVICES | EMISSION | HIGH-EFFICIENCY | TRANSIENT ANALYSIS | LAYERS
Journal Article
Applied Physics Letters, ISSN 0003-6951, 08/2012, Volume 101, Issue 9, p. 93306
We have designed and synthesized a high-efficiency purely organic luminescent material, 2,4-bis{3-(9H-carbazol-9-yl)-9H-carbazol-9-yl}-6-phenyl-1,3,5-triazine... 
PHYSICS, APPLIED | ELECTROPHOSPHORESCENCE | ENERGY-GAP | DEVICES | HOST | QUANTUM EFFICIENCY | ELECTROLUMINESCENCE | Activated | Emittance | Quantum efficiency | Separation | Fluorescence | Fragments | Electroluminescence | Light-emitting diodes
Journal Article
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