The advancement of organic light-emitting diode (OLED) technology hinges on the development of novel materials that can enhance device performance, particularly in terms of efficiency and color quality. Thermally Activated Delayed Fluorescence (TADF) materials have emerged as a critical innovation, promising near-unity internal quantum efficiencies. Px-VPN, designated by CAS number 1784766-39-7, is a significant player in this field, functioning as a high-performance TADF green dopant. For R&D scientists and procurement specialists in the electronics sector, understanding the specific properties and applications of Px-VPN is crucial for selecting the right materials for next-generation OLED devices.

Chemical Profile and Key Properties of Px-VPN

Px-VPN, chemically identified as 4,5-bis[4-(N-phenoxazine)phenyl]phthalonitrile, boasts a molecular formula of C44H26N4O2 and a molecular weight of 642.72. Its structure is meticulously designed to facilitate the TADF mechanism, featuring electron-donating phenoxazine moieties and electron-withdrawing phthalonitrile units. This molecular architecture enables efficient energy transfer processes, crucial for converting triplet excitons into emissive singlet excitons. This results in highly efficient green light emission, a key component for achieving a full color spectrum in OLED displays.

For practical application in OLED manufacturing, the purity of Px-VPN is paramount. Typically supplied in a sublimed grade with purity exceeding 98% (HPLC), it ensures minimal parasitic effects that could degrade device performance. Its appearance is noted as a yellow powder. The material is soluble in common organic solvents such as chloroform and THF, facilitating solution processing or vacuum deposition techniques. As a manufacturer, we ensure that these specifications are consistently met, providing reliable materials for your critical applications.

Application Landscape for Px-VPN in OLEDs

The primary application for Px-VPN is as a dopant in the emissive layer of OLED devices. When blended with a suitable host material, it acts as the primary emitter, responsible for generating green light. This is vital for creating displays that exhibit vivid colors, high contrast ratios, and improved energy efficiency. Px-VPN contributes to achieving high external quantum efficiencies (EQEs), often reported in research settings to be above 14%, and excellent color purity with emission wavelengths centered around 540 nm. This makes it an attractive material for manufacturers looking to buy components for high-performance OLED panels used in smartphones, televisions, and automotive displays.

Beyond display technology, the high efficiency and color quality offered by TADF materials like Px-VPN also hold promise for solid-state lighting applications, where energy efficiency and precise color rendering are key performance indicators. Researchers often use Px-VPN in experimental setups to explore new device architectures and understand the nuances of TADF mechanisms, driving further innovation in optoelectronics.

Procurement and Support from a Trusted Manufacturer

For businesses and research institutions seeking to procure Px-VPN, partnering with a reliable manufacturer and supplier is essential. We offer Px-VPN with guaranteed purity and consistent quality, backed by comprehensive technical data. Whether you need small quantities for research or bulk orders for production, we are equipped to meet your demands. We understand the importance of timely delivery and competitive pricing in the B2B chemical market. If you are interested in purchasing Px-VPN, obtaining a detailed quote from us will provide insights into our offerings and support services, ensuring you can buy with confidence.