Description

N,N'-Bis(9,9-Dimethyl-9H-Fluoren-2-Yl)-N,N'-Diphenylbenzidine is a high-performance hole-transport material (HTM) and organic semiconductor. This compound matters for its excellent thermal stability, high glass transition temperature, and superior charge-carrier mobility, which are critical for device efficiency and longevity. It is primarily needed by manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) industries for use in display panels, lighting, and solar cell applications.

Application

• OLED Displays & Lighting: As a core hole-transport layer (HTL) material in red, green, and blue phosphorescent and fluorescent OLED devices for smartphones, TVs, and solid-state lighting.
• Organic Photovoltaics (OPVs): Used as a donor or interfacial layer material in organic solar cells to enhance hole extraction and device power conversion efficiency.
• Organic Field-Effect Transistors (OFETs): Employed as an active semiconducting material in the fabrication of high-mobility p-type transistors for flexible electronics.
• Perovskite Solar Cells: Functions as a hydrophobic and stable hole-transport material in perovskite layers to improve device stability and performance.
• Chemical Synthesis: Serves as a sophisticated building block or intermediate for synthesizing more complex organic electronic materials and dyes.
• Research & Development: Utilized in academic and industrial R&D for developing next-generation organic electronic and optoelectronic devices.

Basic Information

Product Name	N,N'-Bis(9,9-Dimethyl-9H-Fluoren-2-Yl)-N,N'-Diphenylbenzidine
CAS No.	361486-60-4
Molecular Formula	C58H44N2
Molecular Weight	768.99 g/mol
Synonyms	N,N'-Bis(9,9-dimethylfluoren-2-yl)-N,N'-diphenylbenzidine; 2,2'-Bis[N,N-bis(9,9-dimethyl-9H-fluoren-2-yl)amino]biphenyl; 2,2'-Bis[N,N-di(9,9-dimethyl-9H-fluoren-2-yl)amino]biphenyl; BDBF; N,N'-Di(9,9-dimethylfluoren-2-yl)-N,N'-diphenylbenzidine; DMFL-BP; 361486-60-4; Hole Transport Material 1 (HTM-1) [generic research use]
EINECS	Contact for details

Quality Control

Our N,N'-Bis(9,9-Dimethyl-9H-Fluoren-2-Yl)-N,N'-Diphenylbenzidine is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency critical for electronic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0% (Area %)
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH Q3C guidelines

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