Description

4',4''-(1,2-Diphenylethene-1,2-Diyl)Bis(N,n-Diphenylbiphenyl-4-Amine) is a high-performance organic semiconductor material belonging to the class of starburst triarylamine derivatives. This compound matters for its exceptional hole-transport properties and thermal stability, making it a critical component in advanced optoelectronic devices. It is primarily needed by manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) industries for creating efficient, long-lasting displays and energy conversion layers.

Application

• Hole-Transport Layer (HTL) Material in OLED displays and lighting panels.
• Hole-Injection Layer (HIL) Material in high-efficiency OLED devices for smartphones, TVs, and monitors.
• Donor Material in the active layer of organic solar cells (OPVs).
• Key Component in perovskite solar cells to enhance hole extraction and device stability.
• Charge-Transport Material in organic field-effect transistors (OFETs).
• Research & Development of novel organic electronic and photonic materials.

Basic Information

Product Name	4',4''-(1,2-Diphenylethene-1,2-Diyl)Bis(N,n-Diphenylbiphenyl-4-Amine)
CAS No.	1296787-77-3
Molecular Formula	C74H52N2
Molecular Weight	969.22 g/mol
Synonyms	Starburst Triarylamine Derivative; 4,4'-Bis[N,N-bis(4-biphenylyl)amino]stilbene; 4,4'-Bis[N,N-di(4-biphenylyl)amino]stilbene; 4,4'-Bis[N,N-di(biphenyl-4-yl)amino]stilbene; 4,4'-Bis(di-p-biphenylylamino)stilbene; OLED/OPV Hole-Transport Material; TPD Derivative; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 4',4''-(1,2-Diphenylethene-1,2-Diyl)Bis(N,n-Diphenylbiphenyl-4-Amine) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity, critical for electronic-grade applications. Each lot undergoes rigorous analytical testing, including HPLC for purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). Keep the container sealed under an inert atmosphere such as nitrogen or argon to prevent oxidation and moisture absorption, which can affect electronic performance.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0% (Electronic Grade)
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.