Description

Spiro-Bpa , 2,2'-Bis(N,n-Di-Phenyl-Amino)9,9-Spiro-Bifluoren is a high-performance organic semiconductor material belonging to the spirobifluorene family. This compound matters for its exceptional hole-transporting properties, thermal stability, and amorphous film-forming ability, 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 advanced display and energy applications.

Application

• Hole Transport Layer (HTL) in OLED Displays: A key component in the emissive stack of OLED panels for smartphones, televisions, and monitors.
• Hole Injection/Transport Material in OLED Lighting: Used in the fabrication of efficient and stable white OLEDs for solid-state lighting solutions.
• Donor Material in Organic Photovoltaics (OPVs): Employed in the active layer of solar cells to facilitate efficient charge separation and transport.
• Host Material in Phosphorescent OLEDs (PHOLEDs): Serves as a matrix for phosphorescent emitters in high-efficiency display technologies.
• Research & Development: A valuable building block for synthesizing novel organic electronic materials in academic and industrial R&D labs.
• Perovskite Solar Cells: Investigated for use as a hole-transporting material in next-generation perovskite-based photovoltaic devices.

Basic Information

Product Name	Spiro-Bpa , 2,2'-Bis(N,n-Di-Phenyl-Amino)9,9-Spiro-Bifluoren
CAS No.	862664-73-1
Molecular Formula	C61H40N2
Molecular Weight	800.98 g/mol
Synonyms	2,2'-Bis(N,N-diphenylamino)-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene]-2,2'-diamine, N2,N2,N2',N2'-tetraphenyl-; Spiro-BPA; Spiro-TAD; 2,2',7,7'-Tetrakis(N,N-diphenylamino)-9,9'-spirobifluorene (related core structure); Hole transport material 1 (HTM-1); N2,N2,N2',N2'-Tetraphenyl-9,9'-spirobi[9H-fluorene]-2,2'-diamine
EINECS	Contact for details

Quality Control

Our Spiro-Bpa is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity, which is essential for optoelectronic device performance. Each lot undergoes comprehensive analysis including HPLC, NMR, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The material is light-sensitive and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent oxidation and moisture uptake, which can affect its electronic properties.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 99.0% (GC)
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Moisture Content (KF)	≤ 0.5%

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