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简单介绍：
FIr6, deep blue emitter material for OLED devices
详情介绍：

Bis(2,4-difluorophenylpyridinato)-tetrakis(1-pyrazolyl)borate iridium(III), FIr6, is commonly used as a blue emitter material for OLED devices.

In terms of colour, purity and quality, FIr6 is more practical for use in full-colour display devices and lighting applications compared to the more widely-used blue phosphorescent emitter, FIrPic. FIr6 shows deeper blue emissions with major vibronic peaks at 458 and 489 nm, while FIrPic has major vibronic emission peaks at 475 and 500 nm.

General Information

CAS number 664374-03-2
Full name Bis(2,4-difluorophenylpyridinato)-tetrakis(1-pyrazolyl)borate iridium(III)
Chemical formula C34H24N10BF4Ir
Molecular weight 851.64 g/mol
Absorption* λmax 367 nm in THF
Fluorescence λem 461 nm in DCM
HOMO/LUMO HOMO 6.10 eV, LUMO 3.10 eV [1]
Synonyms Iridium (III) bis(4',6'-difluorophenylpyridinato)tetrakis(1-pyrazolyl)borate
Classification / Family Iridium Complex, Organic electronics, TADF-OLEDs, Blue dopant materials, Blue phosphorescent OLED materials, Sublimed materials.

* Measurable with an Optical Spectrometer, see our spectrometer application notes.

Product Details

Purity Sublimed: >99.0% (HPLC)
Melting point TGA: >280 °C (0.5% weight loss)
Appearance Yellow powder/crystals

* Sublimation is a technique used to obtain ultra pure-grade chemicals, see sublimed materials for OLED devices.

Chemical Structure

fir6 chemical structure
Chemical structure of FIr6; CAS No. 664374-03-2.

Device Structure(s)

Device structure ITO/TAPC (40 nm)/m-DCz-S:10 wt% FIr6 (10 nm)/TmPyPB (40 nm)/LiF (1 nm)/Al (100 nm) [2]
Colour Blue blue light emitting device
Max Current Efficiency 49.8 cd/A
Max EQE 25.1%
Max. Power Efficiency 50.9 lm W-1
Device structure ITO/NPB (10 nm)/TCTA (20 nm)/BCPO: FIr6 (7–8%, 30 nm)/BCP (10nm)/Alq (50 nm)/LiF (1 nm)/Al (100 nm) [3]
Colour Blue blue light emitting device
Max. Luminance 28,718 cd/m2
Max. Current Efficiency 36.8 cd/A
Max. EQE 19.8%
Max. Power Efficiency 33.1 lm W-1
Device structure ITO/ PEDOT:PSS (35 nm)/TAPC (40 nm)/Ad-Cz:5wt%FIr6 (7 nm)/Ad-Pd:10wt%FIr6 (15 nm)/TPBI (40 nm)/LiF (1 nm)/Al (100 nm) [4]
Colour Blue blue light emitting device
Max. EQE 19.0%
Max. Power Efficiency 33.0 lm W-1
Device structure ITO/PEDOT:PSS (40 nm)/ p-TAZSiTPA:FIr6 (10 wt%, 40 nm)/Tm3PyPB (5 nm)/TPBI (30 nm)/LiF (1 nm)/Al (100 nm [5]
Colour Blue blue light emitting device
Max. Current Efficiency 12.5 cd/A
Max. EQE 6.3%
Max. Power Efficiency 6.2 lm W-1

*For chemical structure information, please refer to the cited references.

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