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Basic Info

Cas number: 1141757-83-6
Chemical Formula: C54H35N3
Purity: Sublimed: >99.0% (HPLC)
Synonyms: 9,9',9''-Triphenyl-9H,9'H,9''H-3,3':6',3''-tercarbazole

Properties

Name: Tris-PCz
Full Name: 9-Phenyl-3,6-bis(9-phenyl-9H-carbazol-3-yl)-9H-carbazole
Appearance: White powder/crystals
Application for devices: Host, EBL, HTL
Classification: TADF materials, Host materials, Hole transport layer materials (HTL), Organic light-emitting didoes, Exciton blocking layer materials
Homo Lumo: HOMO = 5.6 eV, LUMO = 2.1 eV
Host Materials: Fluorescent
Melting Point: TGA: >270 °C
Purification Techniques: Sublimed Materials
TADF Materials: Other TADF materials
Transport Layers: Hole Transport Layer (HTL), Electron Blocking Layer (EBL)
Use by function: OLED Materials, TADF Materials

Optical properties

Absorption: λmax = 305 nm in DCM
Fluorescence: λmax = 415 nm in DCM

Compound Description

Tris-PCz: Pioneering the Future of OLED Technology

The world of Organic Light-Emitting Diodes (OLEDs) is in a constant state of evolution. Among the various materials that contribute to this rapid advancement, Tris-PCz stands out as a highly promising component in the OLED stack.

Understanding Tris-PCz

Tris-PCz, fully known as 9-Phenyl-3,6-bis(9-phenyl-9H-carbazol-3-yl)-9H-carbazole, is a specialized compound with a unique molecular structure – it has a tri-carbazole back-boned structure. Its multifaceted applications make it a highly sought-after material in organic electronic devices.

Key Features of Tris-PCz

  • Exciplex Forming Nature: One of the most remarkable features of Tris-PCz is its ability to form exciplexes. This property is crucial for the development of advanced OLEDs, particularly in the realm of Thermally Activated Delayed Fluorescence (TADF) OLEDs.
  • Hole Transport Layer Material: Tris-PCz serves as an effective material in Hole Transport Layers (HTL), ensuring a balanced and efficient flow of electrical charges within OLED devices.
  • Exciton Blocking Capabilities: The compound also acts as an Exciton Blocking Layer material, preventing the recombination of electrons and holes, thereby enhancing the operational lifetime of OLEDs.
  • Versatile Host Material: Tris-PCz is a versatile host material suitable for various types of OLEDs, including those that utilize TADF mechanisms.

The Role of Tris-PCz in Modern OLEDs

Today’s OLED devices require materials that offer high efficiency, durability, and low energy consumption. Tris-PCz, with its unique properties, is perfectly aligned with these needs. Its role in facilitating efficient charge transport and exciplex formation contributes to brighter, more vibrant displays. Moreover, its versatility as a host material opens up new avenues for OLED technology.

Conclusion

The OLED industry is continuously expanding, and the demand for efficient, long-lasting materials is ever-increasing. Tris-PCz, with its unique properties and capabilities, is poised to play a significant role in shaping the future of OLED technology. As research progresses and technology advances, it’s evident that Tris-PCz will find an expanding range of applications in organic electronic devices.

Bibliography

Promising operational stability of high-efficiency organic light-emitting diodes based on thermally activated delayed fluorescence, H. Nakanotani1 et al., Sci. Rep., 3, 2127 (2013); DOI: 10.1038/srep02127

Featured Compounds

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