Description

Npapf , 9,9-Bis[4-(N,n-Bis-Biphenyl-4-Yl-Amino)Phenyl]-9H- is a high-performance organic compound belonging to the class of aromatic amine derivatives, specifically designed as a hole-transport material (HTM). Its molecular architecture provides exceptional thermal stability and excellent charge mobility, which are critical for device efficiency and longevity. This material is primarily utilized by manufacturers in the organic electronics and advanced materials sectors, particularly for developing next-generation optoelectronic devices.

Application

• Hole-Transport Layer (HTL) in OLEDs: A key component in organic light-emitting diode displays and lighting panels, facilitating efficient hole injection and transport.
• Perovskite Solar Cells (PSCs): Used as a dopant-free or doped hole-transport material to enhance the power conversion efficiency and stability of perovskite-based photovoltaic cells.
• Organic Photovoltaics (OPVs): Employed in the active layer or as an interfacial layer in polymer solar cells to improve charge separation and collection.
• Organic Field-Effect Transistors (OFETs): Functions as a p-type organic semiconductor material for high-mobility electronic circuits.
• Electroluminescent Devices: Serves in the emissive layer of various electroluminescent devices for specialized lighting applications.
• Chemical Synthesis Intermediate: Acts as a sophisticated building block for synthesizing more complex organic electronic materials and dyes.
• Research & Development: A critical material for academic and industrial R&D focused on novel organic semiconductor properties and device architectures.

Basic Information

Product Name	Npapf , 9,9-Bis[4-(N,n-Bis-Biphenyl-4-Yl-Amino)Phenyl]-9H-
CAS No.	174141-92-5
Molecular Formula	C72H52N4
Molecular Weight	973.21 g/mol
Synonyms	NPAPF; 9,9-Bis[4-(N,N-Bis(biphenyl-4-yl)amino)phenyl]-9H-fluorene; 9,9-Bis[4-[bis(4-phenylphenyl)amino]phenyl]fluorene; N,N,N',N'-Tetrakis(4-biphenylyl)-9,9-bis(4-aminophenyl)fluorene; Hole Transport Material NPAPF; HTM NPAPF; Fluorene-based triarylamine derivative; YL-1 (common research code).
EINECS	Contact for details

Quality Control

Our Npapf is manufactured under strict process controls to ensure batch-to-batch consistency and high purity, essential for reproducible device performance. Each lot undergoes comprehensive analytical testing, including HPLC for purity profiling and identity confirmation via spectroscopic methods. A Certificate of Analysis (COA) detailing specific results for purity, residual solvents, and other critical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled 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 brown powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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