PXZ-TRZ

CAS Number 1411910-25-2

Dopant Materials, High Purity Sublimed Materials, Host Materials, Semiconducting Molecules, TADF Materials

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PXZ-TRZ, dopant in highly efficient TADF-OLED devices

High-purity (>99.0%) green emitter

PXZ-TRZ, namely phenoxazine-2,4,6-triphenyl-1,3,5-triazine, has a bipolar structure with phenoxazine (PXZ) as an electron donor unit and 2,4,6-triphenyl-1,3,5-triazine (TRZ) as an electron acceptor unit.

PXZ-TRZ is a green emitter and is mainly used as a dopant or assistant dopant material in highly efficient TADF-OLED devices, but can also be used as a host or co-host material. The orientational packing order of a linear-shaped dopant such as PXZ-TRZ can be selectively controlled in a randomly oriented co-host matrix with mCBP by varying the temperature during deposition of the thin films.

General Information

CAS number	1411910-25-2
Chemical formula	C₃₃H₂₂N₄O
Molecular weight	490.55 g/mol
Absorption	λ_max 420 nm (in Toluene)
Fluorescence	λ_em 545 nm (in Toluene)
HOMO/LUMO	HOMO = 5.5 eV, LUMO = 3.1 eV [1]
Full chemical name	10-(4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl)-10H-phenoxazine
Synonyms	Phenoxazine-2,4,6-triphenyl-1,3,5-triazine
Classification / Family	Triazine derivatives, TADF green emitters, TADF host materials, Sublimed materials

Product Details

Purity	Sublimed >99.0% (HPLC)
Melting point	TGA: >300 °C(0.5% weight loss)
Appearance	Yellow powder/crystals

*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the sublimed materials.

Chemical Structure

Device Structure(s)

Device structure	ITO/TAPC (35 nm)/1 wt%-TBRb:25 wt%-PXZ-TRZ:mCBP (30 nm)/T2T (10 nm)/Alq3 (55 nm)/LiF (0.8 nm)/Al (100 nm) [2]
Colour	Yellow
Max. Current Efficiency	60 cd/A
Max. EQE	18.0%
Max. Power Efficiency	58 Im/W

Device structure	ITO/HAT-CN (10 nm)/TAPC (40 nm)/TCTA (10 nm)/ SF4-TPE:40 wt% PXZ-TRZ:1 wt% TBRb (20 nm)/TmPyPB (60 nm)/Liq (2 nm)/Al (100 nm) [3]
Colour	Yellow
Max. EQE	23.0 %
Max. Power Efficiency	60.3 Im/W

Device structure	ITO/HAT-CN (10 nm)/TAPC (40 nm)/TCTA (10 nm)/ SF4-TPE:20 wt% PXZ-TRZ:1 wt% TBRb (20 nm)/TmPyPB (60 nm)/Liq (2 nm)/Al (100 nm) [3]
Colour	Yellow
Max. EQE	24.7 %
Max. Power Efficiency	61.6 Im/W

Device structure	ITO/HAT-CN (10 nm)/TAPC (40 nm)/TCTA (10 nm)/SF4-TPE: 30% PXZ-TRZ:1 wt% TBRb (17.5 nm)/SF4-TPE: 40 wt% 4P-NPD (2.5 nm)/TmPyPB (45 nm)/Liq (2 nm)/Al (100 nm) [3]
Colour	White
Max. EQE	24.5 %
Max. Power Efficiency	65.4 Im/W

Pricing

Grade	Order Code	Quantity	Price
Sublimed(>99.0% purity)	M2268A1	100 mg	£240
Sublimed(>99.0% purity)	M2268A1	250 mg	£480
Sublimed(>99.0% purity)	M2268A1	500 mg	£800
Sublimed(>99.0% purity)	M2268A1	1 g	£1300

MSDS Documentation

PXZ-TRZ MSDS sheet

Literature and Reviews

Efficient green thermally activated delayed fluorescence (TADF) from a phenoxazine–triphenyltriazine (PXZ–TRZ) derivative, H. Tanaka et al., Chem. Commun., 48, 11392-11394 (2012); DOI: 10.1039/C2CC36237F.
High-efficiency organic light-emitting diodes with fluorescent emitters, H. Nakanotani et al., Nature Commun., 5, 4016 (2014); DOI: 10.1038/ncomms5016.
All-Fluorescence White Organic Light-Emitting Diodes Exceeding 20% EQEs by Rational Manipulation of Singlet and Triplet Excitons, X. Tang et al., Adv. Funct. Mater., 1910633 (2020); DOI: 10.1002/adfm.201910633.
Selectively Controlled Orientational Order in Linear-Shaped Thermally Activated Delayed Fluorescent Dopants, T. Komino et al., Chem. Mater., 26, 3665−3671 (2014); DOI: 10.1021/cm500802p.

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.