TCzTRZ

CAS Number 1808158-40-8

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

TCzTRZ, high purity TADF sky blue emitter

Paired with the donor DMAC-DPS, the device can achieve high PLQY and quantum efficiency

TCzTRZ - 9,9',9''-(5-(4,6-Diphenyl-1,3,5-triazin-2-yl)benzene-1,2,3-triyl) tris(9H-carbazole) is a TADF sky blue emitter with an electron deficient triphenyltriazine and three electron donating carbazole moieties. It has been suggested that having more carbazole donors present in the emitter helps to reduce the singlet–triplet energy gap ΔEST, i.e. the additional carbazole moiety in TCzTrz lowers the ΔEST by 0.09 eV while compared with DCzTrz.

Blue emitting DMAC-DPS as donor and TCzTrz as acceptor can form highly efficient exciplex, resulting in high photoluminescence quantum yield and high quantum efficiency in the green exciplex organic light-emitting diodes.

General Information

CAS number	1808158-40-8
Full name	9,9',9''-(5-(4,6-Diphenyl-1,3,5-triazin-2-yl)benzene-1,2,3-triyl) tris(9H-carbazole)
Chemical formula	C₅₇H₃₆N₆
Molecular weight	804.94 g/mol
Absorption	λ_max 377 nm (in toluene)
Phosphorescene	λ_max 477 nm (in toluene)
HOMO/LUMO	HOMO 5.40 eV, LUMO 2.18 eV [1]
Synonyms	TCz-TRZ
Classification / Family	Triazine derivatives, Light-emitting diodes, Organic electronics, TADF blue emitter, PHOLEDs host materials, Sublimed materials.

Product Details

Purity	Sublimed >99.0% (HPLC)
Melting point	T_g = 188.7 ℃, T_m = 381.5 ℃, T_d (Temperature at 5% weight loss) = 431.8 ℃.
Appearance	Pale 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/PEDOT:PSS/TAPC/mCP/40 wt% TCzTRZ:DPEPO/TSPO1/TPBI/LiF/Al [1]
Colour	Blue
Max. Power Efficiency	42.7 lm W^-1
Max. EQE	25%

Device structure	ITO (50 nm)/HATCN (7 nm)/TAPC (30 nm)/TCTA (20 nm)/mCP (10 nm)/DBFPO:40 wt% TCzTRZ (25 nm)/TSPO1 (5 nm)/TPBi (25 nm)/LiF (1.5 nm)/Al (100 nm) [3]
Colour	Blue
Max Current Efficiency	34.1 cd/A
Max. Power Efficiency	30.6 lm W^-1
Max. EQE	19.8%

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

Pricing

Grade	Order Code	Quantity	Price
Sublimed (>99.0% purity)	M2332A1	100 mg	£230
Sublimed (>99.0% purity)	M2332A1	250 mg	£460
Sublimed (>99.0% purity)	M2332A1	500 mg	£800
Sublimed (>99.0% purity)	M2332A1	1 g	£1280

MSDS Documentation

TCzTRZ MSDS Sheet

Literature and Reviews

Design Strategy for 25% External Quantum Efficiency in Green and Blue Thermally Activated Delayed Fluorescent Devices, D. Lee et al., Adv. Mater., 27 (39); 5861-5867 (2015); DOI: 10.1002/adma.201502053.
Highly efficient exciplex organic light-emitting diodes using thermally activated delayed fluorescent emitters as donor and acceptor materials, S. Jeon et al., Nanotechnology, 27 (22), 224001 (2016); DOI: 10.1088/0957-4484/27/22/224001.
Controlling the exciton lifetime of blue thermally activated delayed fluorescence emitters using a heteroatom-containing pyridoindole donor moiety, G. Kim et al., Mater. Horiz., 4, 619-624 (2017); DOI: 10.1039/C6MH00579A.

Chromenopyrazole-Based Bipolar Blue Host Materials for Highly Efficient Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes, M. Godumala et al., Chem. Mater., 30, 15, 5005–5012 (2018); DOI: 10.1021/acs.chemmater.8b01207.