Description

2,7-Bis(Diphenylphosphoryl)Spiro[Fluorene-7,11'-Benzofluorene] is a sophisticated organic compound featuring a unique spiro-conjugated backbone functionalized with diphenylphosphine oxide groups, making it a valuable advanced material. Its core value lies in its exceptional electron-transporting and hole-blocking properties, which are critical for enhancing the efficiency and stability of next-generation electronic devices. This high-purity material is essential for researchers and manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) sectors who require reliable, high-performance components for their device architectures.

Application

• Electron Transport Layer (ETL) Material: A key component in OLED devices to facilitate efficient electron injection and transport.
• Hole-Blocking Layer (HBL) Material: Used in both OLED and perovskite solar cells to confine charge carriers and improve device efficiency.
• Host Material for Phosphorescent OLEDs (PHOLEDs): Serves as a matrix for emissive dopants in high-efficiency display and lighting applications.
• Organic Semiconductor Research: A critical building block for synthesizing and studying new spiro-type conjugated molecules and polymers.
• Perovskite Solar Cell (PSC) Interlayers: Employed to modify interfaces, reduce recombination losses, and enhance cell performance and longevity.
• Material for Thermally Activated Delayed Fluorescence (TADF) Devices: Investigated for use in third-generation OLED emitters due to its suitable triplet energy level.

Basic Information

Product Name	2,7-Bis(Diphenylphosphoryl)Spiro[Fluorene-7,11'-Benzofluorene]
CAS No.	1270960-64-9
Molecular Formula	C55H36O2P2
Molecular Weight	790.82 g/mol
Synonyms	2,7-Bis(diphenylphosphoryl)-9,9'-spirobi[9H-fluorene]; Spiro[fluorene-7,11'-benzo[7,8]fluoreno[2,3-b]fluorene], 2,7-bis(diphenylphosphoryl)-; 2,7-Bis(diphenylphosphoryl)spiro[fluorene-7,11'-benzofluorene]; BDP-SBF; Spiro-Phosphine Oxide Derivative; Electron Transport Material 1270960-64-9; Spiro-type diphosphine dioxide
EINECS	Contact for details

Quality Control

Our high-purity electronic-grade materials are produced under strict quality management protocols. Every batch of 2,7-Bis(Diphenylphosphoryl)Spiro[Fluorene-7,11'-Benzofluorene] undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure consistency and meet the exacting standards required for optoelectronic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed in a dry environment to prevent degradation. For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.5%
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.