Description

Spiro-Cbp, 2,2',7,7'-Tetrakis(Carbazol-9-Yl)-9,9'-Spiro-Bifluorene is a high-performance organic semiconductor material belonging to the spirobifluorene family. This compound is valued for its excellent thermal stability, high triplet energy level, and superior hole-transporting properties, making it a critical component in advanced optoelectronic devices. It is primarily utilized by manufacturers and researchers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) industries for developing next-generation displays and energy solutions.

Application

• Hole-Transport Layer (HTL) Material in OLED devices for displays and lighting.
• Host Material in phosphorescent OLED (PHOLED) emissive layers.
• Electron-Blocking Layer (EBL) Material to improve device efficiency.
• Key component in the research and development of organic solar cells (OPVs).
• Used in the synthesis of more complex organic electronic materials and polymers.
• Fundamental research chemical for studying charge transport in organic semiconductors.

Basic Information

Product Name	Spiro-Cbp, 2,2',7,7'-Tetrakis(Carbazol-9-Yl)-9,9'-Spiro-Bifluorene
CAS No.	214078-86-1
Molecular Formula	C81H48N4
Molecular Weight	1053.26 g/mol
Synonyms	2,2',7,7'-Tetrakis(9H-carbazol-9-yl)-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetrayltetrakis(9H-carbazole); Spiro-CBP; CBP-Spiro; Spiro-TAD; Spirobifluorene-cored carbazole derivative; Hole transport material Spiro-CBP; 2,2',7,7'-Tetracarbazol-9-yl-9,9'-spirobifluorene
EINECS	Contact for details

Quality Control

Our Spiro-Cbp is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive optoelectronic applications. Each lot undergoes comprehensive analysis, including HPLC, NMR, and elemental analysis, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and easily oxidized nature, this material should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place at a controlled room temperature (15-25°C). Minimize exposure to air and moisture during handling to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light yellow powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 99.5% (Area %)
Residual Solvents (GC)	< 0.1%
Moisture Content (KF)	< 0.5%
Glass Transition Temperature (Tg)	> 140 °C
Triplet Energy Level (ET)	> 2.7 eV

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