Description

Poly[(4,8-Bis-(2-Ethylhexyloxy)-Benzo(1,2-B:4,5-B')Dithi-Ophene)-2,6-Diyl-Alt-((2-Ethylhexyl)-Thieno(3,4-B)Thioph-Ene-4-Carboxylate))-2,6-Diyl)] is a high-performance conjugated polymer belonging to the benzodithiophene-thienothiophene copolymer family, widely recognized as a benchmark material in organic electronics. Its primary value lies in its exceptional optoelectronic properties, including a broad absorption spectrum and high charge carrier mobility, which are critical for device efficiency. This polymer is essential for researchers and manufacturers in the fields of organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and other advanced electronic applications requiring solution-processable, high-performance semiconducting materials.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key electron-donor material in bulk heterojunction solar cells for efficient light absorption and charge generation.
• Organic Field-Effect Transistors (OFETs): Used as the active semiconducting layer due to its high hole mobility and good environmental stability.
• Perovskite Solar Cells: Employed as a hole-transport material (HTM) in perovskite solar cell architectures to enhance device performance and stability.
• Photodetectors and Sensors: Utilized in the fabrication of sensitive organic photodetectors and chemical sensors.
• Organic Light-Emitting Diodes (OLEDs): Can be applied in specific OLED structures as a host or transport material.
• Academic and Industrial R&D: A fundamental material for developing and prototyping next-generation organic electronic devices.

Basic Information

Product Name	Poly[(4,8-Bis-(2-Ethylhexyloxy)-Benzo(1,2-B:4,5-B')Dithi-Ophene)-2,6-Diyl-Alt-((2-Ethylhexyl)-Thieno(3,4-B)Thioph-Ene-4-Carboxylate))-2,6-Diyl)]
CAS No.	1346668-28-7
Molecular Formula	(C44H58O4S4)n
Molecular Weight	~ Varies (Polymer) - Contact for details
Synonyms	PBDTTT; PBDTTT-C; PBDTTT-C-T; Poly(benzodithiophene-thienothiophene); Poly[(4,8-bis(2-ethylhexyloxy)benzo[1,2-b:4,5-b']dithiophene-2,6-diyl)-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-2-carboxylate)]; PTB7; PTB7-Th; Poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl]]
EINECS	Contact for details

Quality Control

Our Poly[(4,8-Bis-(2-Ethylhexyloxy)-Benzo(1,2-B:4,5-B')Dithi-Ophene)-2,6-Diyl-Alt-((2-Ethylhexyl)-Thieno(3,4-B)Thioph-Ene-4-Carboxylate))-2,6-Diyl)] is produced under stringent quality control protocols to ensure batch-to-batch consistency and high performance for electronic applications. Each lot is characterized using advanced analytical techniques including Gel Permeation Chromatography (GPC) for molecular weight distribution, Nuclear Magnetic Resonance (NMR) for structural confirmation, and Elemental Analysis (EA). Certificates of Analysis (COA) detailing purity, molecular weight (Mn, Mw), and polydispersity index (PDI) are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at room temperature (15-25°C) in a cool, dry place. This material is easily oxidized and light-sensitive; prolonged exposure to air, moisture, or light may degrade its electronic properties. For long-term stability, consider storage at lower temperatures (e.g., 2-8°C) under inert conditions.

Specification

Item	Specification
Appearance	Dark blue to black solid or powder
Identification (NMR)	Conforms to structure
Number Average Molar Mass (Mn)	Contact for details
Weight Average Molar Mass (Mw)	Contact for details
Polydispersity Index (PDI, Mw/Mn)	Typically 1.8 - 3.0
Purity (HPLC)	> 95% (Polymer)
Residual Solvents (GC)	Meets ICH guidelines
Elemental Analysis (C, H, S)	Within theoretical range

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