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General information

  • Name: BCP
  • Full name: 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline
  • CAS number: 4733-39-5
  • Chemical formula: C26H20N2
  • Molecular weight: 360.45 g/mol
  • Absorption: λmax = 277 nm in THF
  • Photoluminescence: λmax = 386 nm in THF
  • HOMO/LUMO: HOMO ~ 6.4 eV, LUMO ~ 2.9 eV
  • Synonyms: Bathocuproine
  • Classification: Organic light-emitting diodes, Electron transport layer materials (ETL), Electron injection layer materials (EIL), Hole blocking layer materials (HBL), Organic field-effect transistor (OFET), Organic photovoltaics (OPV), Perovskite solar cells
  • Purity: Sublimed: >99.5% (HPLC)
  • Melting point: 280 - 282°C
  • Appearance: Light yellow powder

BCP: Advanced Material for OLED and Solar Cell Applications

BCP, or 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline, with its CAS number 4733-39-5, is recognized as a foundational compound in the field of organic electronics, particularly within Organic Light-Emitting Diodes (OLEDs) and solar cell technologies. Boasting a chemical formula of C26H20N2, BCP serves multifunctional roles across a spectrum of applications, including as an Electron Transport Layer (ETL), Electron Injection Layer (EIL), and Hole Blocking Layer (HBL) material. With a sublimation purity surpassing 99.5%, as verified by HPLC, and finely tuned HOMO and LUMO energy levels, BCP is pivotal for the development of devices that prioritize efficiency, performance, and durability.

The Molecular Structure and Properties of BCP

The molecular design of BCP, featuring dimethyl and diphenyl groups on a phenanthroline base, enables optimal electronic interactions crucial for OLED and photovoltaic applications. This structural composition facilitates efficient electron transport and robust hole blocking, critical for enhancing the performance and stability of electronic devices. The energy alignment of BCP, with a HOMO level around 6.4 eV and a LUMO level close to 2.9 eV, ensures its seamless integration into various device architectures, supporting improved device efficiency and energy conversion rates.

Key Features of BCP

  • Versatile Application in Organic Electronics: BCP showcases unparalleled versatility in organic electronics, seamlessly integrating into various functional layers of OLEDs and solar cells. This adaptability not only underscores its critical role in modern device fabrication but also its potential to innovate beyond conventional transport layers. BCP’s application enhances the architectural and operational efficiency of devices, facilitating groundbreaking advancements in display and energy conversion technologies. Its compatibility with diverse organic electronic frameworks positions BCP as a cornerstone material, instrumental in the development of advanced, flexible, and high-resolution displays, as well as in the efficiency optimization of next-generation photovoltaic cells.
  • Exceptional Purity and Performance: BCP stands out with an extraordinary sublimation purity exceeding 99.5%, a benchmark that Noctiluca proudly surpasses to ensure the utmost quality and performance of OLEDs and solar cells. This exemplary purity level minimizes the risk of device degradation and operational inefficiencies, thereby enhancing the stability and reliability of electronic devices across their lifespan. Noctiluca’s dedication to maintaining such high purity standards in BCP production reflects our unwavering commitment to chemical manufacturing excellence and leadership in the OLED materials market. By providing materials that meet and exceed industry expectations, Noctiluca facilitates the creation of electronic devices with optimized performance, color accuracy, and energy utilization, reinforcing our role as a pivotal supplier in the realm of organic electronics.
  • Enhanced Device Efficiency and Longevity: BCP’s contribution to electronic devices extends to significantly improving electron mobility and providing efficient hole blocking capabilities, essential attributes that directly influence device efficiency and longevity. This enhancement is particularly critical in the context of the industry’s shift towards sustainable and high-performance technologies. Through BCP’s application, Noctiluca is at the forefront of advancing OLED technology and solar cell efficiency, ensuring devices not only meet but exceed energy conservation and operational durability standards. Our focus on integrating BCP into the fabrication of OLEDs and photovoltaic modules is a testament to our commitment to driving innovation in energy-efficient lighting and renewable energy solutions, setting new standards for device performance and environmental sustainability.

The Role of BCP in Advanced OLEDs and Solar Cells

BCP plays a crucial role in the advancement of OLED and solar cell technologies, enabling the creation of devices that marry high efficiency with sustainability. Its integration as a transport layer material significantly boosts light emission and energy conversion efficiencies, leading to devices that offer outstanding visual quality and renewable energy solutions. The application of BCP in cutting-edge organic electronics exemplifies Noctiluca’s dedication to driving innovation in the field, facilitating the development of next-generation devices that set new benchmarks for performance and eco-friendliness.


BCP exemplifies Noctiluca’s leadership in the provision of advanced materials for OLEDs and solar cell technologies. Our expertise in delivering high-purity BCP, combined with our comprehensive suite of CRO services and dedication to chemical manufacturing excellence, positions us as a key player in the organic electronics market. By championing the use of superior materials like BCP, Noctiluca is at the forefront of propelling display technology and renewable energy solutions into the future, ensuring our partners achieve unparalleled success in device innovation, efficiency, and sustainability.

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