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2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine

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2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine Basic information

Product Name:
2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine
Synonyms:
  • 2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine
  • 26DCzPPy , 2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine
  • 2,6-Bis[3-(carbazol-9-yl)phenyl]pyridine
  • 9,9'-(2,6-Pyridinediyldi-3,1-phenylene)bis-9H-carbazole
  • 26DCZPPY
  • 2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine/ 26DCzPPy
  • 9-[3-[6-(3-carbazol-9-ylphenyl)pyridin-2-yl]phenyl]carbazole
  • 2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridineazole
CAS:
1013405-24-7
MF:
C41H27N3
MW:
561.67
Product Categories:
  • OLED
Mol File:
1013405-24-7.mol
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2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine Chemical Properties

Melting point:
228.0 to 232.0 °C
Density 
1.21
pka
2.85±0.38(Predicted)
form 
powder to crystal
color 
White to Almost white
InChIKey
UFWDOFZYKRDHPB-UHFFFAOYSA-N
SMILES
C1(C2C=CC=C(N3C4=C(C=CC=C4)C4=C3C=CC=C4)C=2)=NC(C2C=CC=C(N3C4=C(C=CC=C4)C4=C3C=CC=C4)C=2)=CC=C1
Absorption
λmax?239, 292 nm (in CH2Cl2)
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Safety Information

HS Code 
2933998090
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2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine Usage And Synthesis

Classification

Carbazole derivatives, Bipolar charge transport layer materials, Phosphorescent host materials, OLEDs, Organic electronics.

Applications

Combining carbazole electron donors with a high triplet energy and a pyridine electron acceptor with a high electron affinity, 2,6-bis(3-(carbazol-9-yl)phenyl)pyridine (26DCzPPy) is one of the most popular bipolar host materials used in organic light-emitting diodes.
Bipolar host materials are molecules composed of an electron-donating moiety capable of mediating hole injection and transportation, and an electron-withdrawing moiety capable of mediating electron injection and transportation.

Description

2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine, also named DCzPPy, is a bipolar host material. It has high triplet energy, carrier mobilities, and deep highest occupied molecular orbital (HOMO) level . The host system was prepared by mixing the hole-transport-type host 4,4,4-tris(N-carbazolyl)triphenylamine with the electron-transport-type host 2,6-bis(3-(carbazol-9-yl)phenyl)pyridine to prepare the host system, which could not only improve CRI but also improve device efficiency[1-2].

Uses

2,6-Bis(3-(9H-carbazol-9-yl)phenyl)pyridine is a chemical component of organic light-emitting diodes.

References

[1] Xu F, et al. High color rendering white organic light-emitting diodes fabricated using a broad-bandwidth red phosphorescent emitter for lighting applications. Synthetic Metals , 2012; 162: 2414-2420.
[2] Hung M, et al. Poly(acridan-grafted biphenyl germanium) with High Triplet Energy as a Universal Host for High-Efficiency Thermally Activated Delayed Fluorescence Full-Color Devices and Their Hybrid with Phosphor for White Light Electroluminescence. ACS Applied Materials & Interfaces , 2022; 14: 55873–55885.

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