TCP - 1,3,5-Tris(carbazol-9-yl)benzene

Order Code: M752
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 Grade Order Code Quantity Price
Sublimed (>99.0% purity) M751 1 g £172.00
Unsublimed (>98.0% purity) M752 1 g £99.00
Unsublimed (>98.0% purity) M752 5 g £388.00
Sublimed (>99.0% purity) M751 5 g £588.00


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
  • 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


>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 for OLED devices page.


Chemical Structure

tcp chemical structure
Chemical Structure of 1,3,5-tris(carbazol-9-yl)benzene (tCP); CAS No. 148044-07-9; Chemical Formula C42H27N3.



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.

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
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
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).


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.