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tCP, 1,3,5-Tris(carbazol-9-yl)benzene CAS 148044-07-9
Product Code M751-1g
Price $250 ex. VAT
$ USD

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tCP, an excellent HTL material and a phosphorescent host material for LEDs

Sublimed and unsublimed grades are available for tCP

With three carbazole units attached to the benzene ring, 1,3,5-tris(carbazol-9-yl)benzene (tCP) is electron-rich and an excellent hole-transporting layer (HTL) material. It is mainly used as a phosphorescent host material for light-emitting diodes.

General Information

CAS number 148044-07-9
Chemical formula C42H27N3
Molecular weight 573.68 g/mol
Absorption λmax 292, 337 nm (THF)
Fluorescence λem 343, 358 nm (THF)
HOMO/LUMO HOMO = 5.8 eV, LUMO = 2.3 eV
Synonyms
  • TCB
  • tCP
  • 1,3,5-tris(N-carbazolyl)benzene
Classification / Family Carbazole derivatives, Hole-injection materials, Hole-transporting materials, Phosphorescent host materials, Organic light-emitting Diodes (OLEDs), Organic electronics, Sublimed materials.

Product Details

Purity

>99.0% (sublimed)

>98.0% (unsublimed)
Melting point 330 °C
Appearance White 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

TCP chemical structure
Chemical Structure of 1,3,5-tris(carbazol-9-yl)benzene (tCP)

Device Structure(s)

Device structure ITO/75 wt% TPD:25 wt% PC (50nm) /TCTA (10nm)/6 % PtL30Cl*:94 % [TCTA: TCP] [1:1] (30 nm)/TAZ (30 nm)/LiF/Al [1]
Colour White white light emitting device
EQE@500 cd/m2 11.3%
Current Efficiency@500 cd/m2 23.5 cd/A
Bias 9.3 V
Device structure ITO/TAPC 50 nm/tCP:BPCC (20 wt%) 10 nm/TemPPB* 50 nm/LiF 1 nm/Al 100 nm [2]
Colour Blue blue light emitting device
Max. EQE 4.9%
Max. Power Efficiency 1.5 lm W-1
Max. Current Efficiency 2.2 cd/A
Max. Luminance 2,790 cd/m2

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

HPLC Characterisation

HPLC trace of TCP
HPLC trace of 1,3,5-tris(carbazol-9-yl)benzene - sublimed (tcp)

Pricing

Grade Order Code Quantity Price
Sublimed (>99.0% purity) M751 1 g £200
Unsublimed (>98.0% purity) M752 1 g £130
Unsublimed (>98.0% purity) M752 5 g £500
Sublimed (>99.0% purity) M751 5 g £760

MSDS Documentation

TCP MSDSTCP MSDS sheet

Literature and Reviews

  1. Blue-shifting the monomer and excimer phosphorescence of tridentate cyclometallated platinum(II) complexes for optimal white-light OLEDs, L. Murphy et al., Chem. Commun., 48, 5817-5819 (2012), DOI: 10.1039/C2CC31330H.
  2. A pure blue emitter (CIEy ≈ 0.08) of chrysene derivative with high thermal stability for OLED, Y. Chung et al., J. Mater. Chem. C, 3, 1794-1798 (2015), DOI: 10.1039/C4TC02669A.
  3. A study on the characteristics of OLEDs using Ir complex for blue phosphorescence, S-Y. Kim et al., Curr. Appl. Phys., 7 (4), 380-383 (2007), doi:10.1016/j.cap.2006.09.031.
  4. K. S. Son et al., Analyzing Bipolar Carrier Transport Characteristics of Diarylamino-Substituted Heterocyclic Compounds in Organic Light-Emitting Diodes by Probing Electroluminescence Spectra, Chem. Mater., 20, 4439–4446 (2008); DIO: 10.1021/cm8004985.

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.

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