Description

Poly(3-Octylthiophene-2,5-Diyl) (CAS NO 104934-51-2) is a high-performance conjugated polymer belonging to the regioregular poly(3-alkylthiophene) family. This material is valued for its excellent solution processability and tunable optoelectronic properties, making it a cornerstone in advanced material science. It is primarily sought after by researchers and manufacturers in the organic electronics and photonics sectors for developing next-generation devices.

Application

• Organic Field-Effect Transistors (OFETs): As a key p-type semiconductor material for high-mobility, flexible electronic circuits.
• Organic Photovoltaics (OPVs / Solar Cells): Used as an electron donor material in bulk heterojunction active layers for light absorption and charge transport.
• Organic Light-Emitting Diodes (OLEDs): Employed in emissive or charge transport layers for display and lighting applications.
• Chemical and Biological Sensors: Utilized for its conductivity changes upon interaction with specific analytes, enabling sensitive detection platforms.
• Electrochromic Devices: For smart windows and displays due to its reversible color change upon electrochemical doping.
• Antistatic and Conductive Coatings: Provides transparent conductive layers for specialized films and surfaces.
• Academic and Industrial R&D: Serves as a fundamental material for studying structure-property relationships in conjugated polymers.

Basic Information

Product Name	Poly(3-Octylthiophene-2,5-Diyl)
CAS No.	104934-51-2
Molecular Formula	(C12H18S)n
Molecular Weight	~ (194.34)n g/mol (monomer unit)
Synonyms	P3OT; Poly(3-octylthiophene); Poly(3-n-octylthiophene); Poly(3-octyl-2,5-thiophenediyl); Poly(3-octylthiophene-2,5-diyl), regioregular; rr-P3OT; Poly(3-octylthiophene) (P3OT); Poly(3-octyl-2,5-thienylene); Conductive polymer P3OT
EINECS	Contact for details

Quality Control

Our Poly(3-Octylthiophene-2,5-Diyl) is produced under controlled conditions to ensure batch-to-batch consistency. Each lot undergoes rigorous quality testing, including analysis of regioregularity, molecular weight distribution, and purity. A comprehensive Certificate of Analysis (COA) detailing specific parameters is provided with every shipment to support your R&D and quality assurance protocols.

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 (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Dark red to purple solid or powder
Identification (IR)	Conforms to structure
Regioregularity (by NMR)	> 90% (Head-to-Tail)
Number Average Molecular Weight (Mn)	10,000 - 50,000 g/mol (Typical)
Polydispersity Index (PDI)	1.5 - 3.0
Solubility	Soluble in common organic solvents (e.g., Chloroform, Toluene)
Residual Catalyst (e.g., Fe)	< 500 ppm

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