Description

Spiro-2Npb , 2,2',7,7'-Tetrakis[n-Naphthalenyl(Phenyl)-Amino]-9 is a high-performance organic semiconductor material belonging to the class of spiro-linked arylamine compounds. Its molecular architecture provides exceptional hole-transport properties and morphological stability, which are critical for device performance and longevity. This material is essential for manufacturers and R&D teams in the organic electronics sector, particularly for developing advanced organic light-emitting diodes (OLEDs) and other optoelectronic devices.

Application

• Hole Transport Layer (HTL) in OLED Displays and Lighting: A key component in the emissive stack of OLEDs, facilitating efficient hole injection and transport for brighter, more efficient, and longer-lasting displays and solid-state lighting panels.
• Organic Photovoltaic (OPV) Cells: Used as a hole-transporting or donor material to improve charge separation and collection efficiency in next-generation solar cells.
• Perovskite Solar Cells: Employed as a hole-transport material (HTM) to enhance device stability and power conversion efficiency.
• Organic Field-Effect Transistors (OFETs): Serves as an active semiconducting layer due to its favorable charge carrier mobility, enabling flexible and printed electronics.
• Electroluminescent Materials Research: A fundamental building block for synthesizing novel host, dopant, or charge-transport materials in academic and industrial R&D laboratories.
• High-Performance Electronic Materials: Suitable for applications requiring materials with high thermal stability, good film-forming properties, and tunable energy levels.

Basic Information

Item	Details
Product Name	Spiro-2Npb , 2,2',7,7'-Tetrakis[n-Naphthalenyl(Phenyl)-Amino]-9
CAS No.	404001-42-9
Molecular Formula	C88H60N4
Molecular Weight	1149.44 g/mol
Synonyms	Spiro-2Npb; 2,2',7,7'-Tetrakis[N,N-di(naphthalen-1-yl)amino]-9,9'-spirobifluorene; 2,2',7,7'-Tetrakis(1-naphthylphenylamino)-9,9'-spirobifluorene; 2,2',7,7'-Tetrakis[N-(1-naphthyl)-N-phenylamino]-9,9'-spirobifluorene; Spiro-TAD derivative; Hole transport material 2Npb; Spiro-2NPB; OLED HTM Spiro-2Npb
EINECS	Contact for details

Quality Control

Our Spiro-2Npb is produced under stringent conditions to ensure batch-to-batch consistency and high purity, meeting the exacting requirements of the electronics industry. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key impurity profiles 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 room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. The material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain product integrity.

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 guidelines

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