PO-T2T

1. Overview

The field of organic light-emitting diodes (OLEDs) is dynamic and rapidly advancing. Among the various materials contributing to this technology, PO-T2T has emerged as a notable contender within the OLED stack. Officially named 2, 4, 6-Tris[ 3-(diphenylphosphinyl) phenyl] 1, 3 , 5-triazine, this electron deficient compound is distinguished by its triazine core and three diphenylphosphinyl groups. Its unique molecular design makes it a valuable material for use in organic electronic applications.

PO-T2T is mainly used as an electron transport/hole blocking or an electron acceptor material in organic electronics.

• Excellent thermal stability
• Excellent solubility in toluene, ethanol which helps in the formation of high-quality films
• Electron-deficient molecule with good electron mobility
• Good doped to ZnO, ZnMgO
• Alternative to problematic ZnO, ZnMgO, BPhen, and TPBi

2. Specifications

Chemical Structure of 2,4,6-Tris[3-(diphenylphosphinyl)phenyl]-1,3,5-triazine

3. Features

• Exciplex Formation: A key feature of PO-T2T is its ability to form exciplexes, which plays a vital role in advancing OLED technology, and crucial in Thermally Activated Delayed Fluorescence (TADF) OLEDs.

• Electron Transport Layer (ETL) Functionality: With the electron-deficient characteristics, PO-T2T is widely utilized as a material for electron transport layers. This contributes to the efficient operation and extended lifespan of OLED devices.

• Improved OLED Performance: By pairing with electron-donating materials, PO-T2T has demonstrated its effectiveness in enhancing critical OLED performance metrics. This includes prolonging device lifetime and lowering driving voltage, ultimately resulting in more energy-efficient OLED systems.

4. Applications

Function in OLEDs

• Acceptor material layer
• Electron transport layer (ETL) in luminescent devices/displays
• Hole blocking layer (HBL)
• Organic low molecular host

Function in perovskite-based devices

• Hole blocking layer (HBL) material at a multiplier perovskite-organic composite photodetector
• Organic semiconductor in radiation-emitting perovskite
• Organic low-molecular host in radiation-emitting perovskite
• Antisolvent in the method of perovskite production

Other Functions

• Electron transfer material in injection layers (EIL) in quantum dots
• Ink electron transport material
• Electron transport material in an electro-laser device based on nanorods
• Transport layer material in organic electronic devices
• Electron-generating layer in an N-type semiconductor

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