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General information

  • Name: Hex-Ir(phq)3
  • Full name: Tris[2-(4-n-hexylphenyl)quinoline)]iridium(III)
  • CAS number: 1268460-37-2
  • Chemical formula: C63H66IrN3
  • Molecular weight: 1057.43 g/mol
  • Absorption: λmax = 323 nm in DCM
  • Photoluminescence: λmax = 583 nm in DCM
  • HOMO/LUMO: HOMO = 4.9 eV, LUMO = 2.8 eV
  • Synonyms: -
  • Classification: Organic light-emitting diodes, Emmiting layer materials (EML), Electron transport layer materials (ETL), Orange to red phosphorescent dopant materials
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: >260 °C (0.5% weight loss)
  • Appearance: Red powder/crystals

Hex-Ir(phq)3: Premier Orange to Red Phosphorescent Dopant for OLEDs

At Noctiluca, we proudly offer Hex-Ir(phq)3 >99.0%, a crucial material for the advancement of OLED (organic light-emitting diode) technology. Formally known as Tris[2-(4-n-hexylphenyl)quinoline)]iridium(III), this compound, identified by CAS number 1268460-37-2 and molecular formula C63H66IrN3, is engineered to meet the highest industry and research standards. Its superior purity of >99.0% (HPLC) ensures optimal performance in advanced OLED applications. Our commitment to excellence guarantees that Hex-Ir(phq)3 supports unparalleled efficiency and durability in OLED devices, making it indispensable for contemporary electronic advancements.

The Molecular Structure and Properties of Hex-Ir(phq)3

Hex-Ir(phq)3, or Tris[2-(4-n-hexylphenyl)quinoline)]iridium(III), is distinguished by its exceptional photophysical properties. This red powder/crystalline compound exhibits absorption maxima at λmax = 323 nm in DCM and photoluminescence at λmax = 583 nm in DCM, making it a key orange to red phosphorescent dopant material. The molecular structure, featuring an iridium core complexed with hexylphenyl and quinoline ligands, provides high thermal stability with a melting point exceeding 260 °C and minimal weight loss at this temperature. Its excellent solubility in common organic solvents facilitates easy device fabrication and large-area solution processing methods such as spin-coating and inkjet printing.

Key Features of Hex-Ir(phq)3

  • Unmatched Purity and Quality: Our Hex-Ir(phq)3 boasts a purity level of >99.0% as verified by HPLC, achieved through a meticulous sublimation process. This high level of purity ensures the material’s consistency and reliability, forming the foundation of high-quality OLED applications. The compound’s exceptional purity is crucial for the development of high-performance emissive and electron transport layers.
  • Specialized for OLED Applications: Hex-Ir(phq)3 excels as an orange to red phosphorescent dopant, significantly enhancing the efficiency and performance of OLED devices. Its integration into both emissive layer (EML) and electron transport layer (ETL) materials results in displays with brilliant, vibrant colors and exceptional longevity. This adaptability drives substantial advancements in OLED technology, making it a preferred choice for developers aiming to push the boundaries of display technology.
  • Exceptional Photophysical Properties: With absorption maxima at λmax = 323 nm and strong photoluminescence at λmax = 583 nm, Hex-Ir(phq)3 offers superior photophysical characteristics. These properties are critical for optimizing light emission and energy transfer in OLEDs, leading to the creation of highly efficient, next-generation display devices.
  • Enhanced Fabrication Versatility: Hex-Ir(phq)3 is highly soluble in common organic solvents, enabling straightforward device fabrication and large-area solution processing techniques, including spin-coating and inkjet printing. This versatility ensures that Hex-Ir(phq)3 can be effectively utilized in a variety of manufacturing processes, enhancing its applicability across different OLED production methods.
  • Robust Thermal and Chemical Stability: Engineered to withstand a wide temperature range, Hex-Ir(phq)3 is suitable for diverse environmental conditions. Its robust thermal stability and chemical resistance ensure that the compound maintains its performance and integrity over extended periods, enhancing the reliability and lifespan of OLED panels.

The Role of Hex-Ir(phq)3 in Advanced OLEDs

Hex-Ir(phq)3 >99.0%, chemically known as C63H66IrN3, is essential for advancing OLED technology. By facilitating the formation of efficient emissive and electron transport layers, this compound significantly improves the light emission and overall performance of OLED devices. The integration of Hex-Ir(phq)3 in EML and ETL formulations is crucial for achieving superior energy conversion efficiencies, vital for developing next-generation display technologies. Additionally, its use as an orange to red phosphorescent dopant material enhances the stability and durability of OLED products, making it indispensable for developers seeking to optimize OLED technology. Hex-Ir(phq)3’s unique properties support a broad spectrum of applications, driving innovation in the optoelectronics industry and contributing to the development of high-tech solutions.


Hex-Ir(phq)3 >99.0% exemplifies Noctiluca’s commitment to providing top-tier chemical materials, underscoring our dedication to advancing material science for sustainable and efficient OLED applications. As a leading chemical manufacturer and contract research organization (CRO), we are committed to supplying our clients with superior-grade materials that drive technological and innovative progress.

Contact us today to discover how our high-purity Hex-Ir(phq)3 can meet your scientific and industrial needs, ensuring your projects benefit from the highest standards of quality and performance, or to inquire about bulk orders of this compound.

Any questions? Contact us!