Description

Tsbf, 2,7-Bis(9,9'-Spirobifluoren-2-Yl)-9,9'-Spirobifluorene is a high-performance organic semiconductor material belonging to the spirobifluorene family. This compound matters for its exceptional thermal stability, high glass transition temperature, and excellent charge-transport properties, making it a cornerstone for advanced optoelectronic devices. It is critically needed by researchers and manufacturers in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and organic field-effect transistor (OFET) industries for developing next-generation displays and energy solutions.

Application

• OLED Emitting Layer Host Material: Serves as a robust host matrix for phosphorescent and thermally activated delayed fluorescent (TADF) emitters in display and lighting panels.
• Hole-Transport Layer (HTL) Component: Used in the fabrication of efficient hole-transport layers due to its favorable HOMO/LUMO energy levels and morphological stability.
• Organic Photovoltaic (OPV) Donor/Acceptor Material: Employed as an electron-donor or acceptor material in the active layer of solar cells for improved power conversion efficiency.
• Organic Field-Effect Transistor (OFET) Semiconductor: Functions as the active semiconducting layer in OFETs, enabling high charge carrier mobility.
• Laser Dye and Fluorescent Sensor Material: Utilized in the development of solid-state laser dyes and chemical sensing platforms owing to its photoluminescent properties.
• Research & Development (R&D): A key intermediate for synthesizing more complex spiro-conjugated molecules and for fundamental studies in materials science.

Basic Information

Product Name	Tsbf, 2,7-Bis(9,9'-Spirobifluoren-2-Yl)-9,9'-Spirobifluorene
CAS No.	518997-91-6
Molecular Formula	C73H44
Molecular Weight	921.13 g/mol
Synonyms	2,7-Bis(9,9'-spirobi[9H-fluoren]-2-yl)-9,9'-spirobi[9H-fluorene]; 2,7-Bis(2,7'-spirobifluoren-9,9'-diyl)-9,9'-spirobifluorene; TSBF; Spiro-TSBF; 2,7-Bis(spirobifluoren-2-yl)-9,9'-spirobifluorene; 2,7-Bis(9,9'-spirobifluoren-2-yl)-9,9'-spirobifluorene; CAS 518997-91-6
EINECS	Contact for details

Quality Control

Our Tsbf is produced under stringent conditions to ensure batch-to-batch consistency and high purity, essential for optoelectronic device performance. Each lot undergoes comprehensive analysis including HPLC for purity verification, NMR for structural confirmation, and DSC/TGA for thermal property characterization. Certificates of Analysis (COA) detailing all specifications are available upon request.

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 to prevent oxidation and moisture absorption. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0% (Area %)
Melting Point	Contact for details
Glass Transition Temp (Tg)	> 150 °C
Residual Solvents (GC)	Meets ICH guidelines

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