Description

5,10-Bis((5-(2-Ethylhexyl)Thiophen-2-Yl)Dithieno[2,3-D:2',3'-D']Benzo[1,2-B:4,5-B']Dithiophene is a high-performance organic semiconductor material belonging to the class of fused-ring electron donors. This compound matters for its exceptional optoelectronic properties, including a broad absorption spectrum and high charge carrier mobility, which are critical for advanced electronic devices. It is primarily needed by researchers and manufacturers in the organic electronics sector, particularly for developing next-generation organic photovoltaics (OPVs) and organic field-effect transistors (OFETs).

Application

• As a p-type donor material in the active layer of bulk heterojunction organic solar cells (OSCs).
• As a key semiconducting component in the fabrication of high-mobility organic field-effect transistors (OFETs).
• As a photoactive material in research and development of novel organic photodetectors and light-emitting devices.
• As a building block (monomer) for synthesizing conjugated polymers with tailored electronic properties.
• In academic and industrial R&D for studying structure-property relationships in complex organic semiconductors.
• For the development of flexible and printed electronics due to its solution-processability.

Basic Information

Product Name	5,10-Bis((5-(2-Ethylhexyl)Thiophen-2-Yl)Dithieno[2,3-D:2',3'-D']Benzo[1,2-B:4,5-B']Dithiophene
CAS No.	1446476-80-7
Molecular Formula	C52H54S8
Molecular Weight	951.43 g/mol
Synonyms	DTBDT-EH; 2,2'-((5,10-Bis(5-(2-ethylhexyl)thiophen-2-yl)dithieno[2,3-d:2',3'-d']benzo[1,2-b:4,5-b']dithiophene-2,8-diyl)bis(methanylylidene))dimalononitrile (common derivative); EH-DTBDT; 5,10-Bis[5-(2-ethylhexyl)-2-thienyl]dithieno[2,3-d:2',3'-d']benzo[1,2-b:4,5-b']dithiophene; Asymmetric DTBDT derivative; Fused-ring oligothiophene; Organic p-type semiconductor; OPV small molecule donor
EINECS	Contact for details

Quality Control

Every batch of our high-purity organic electronic materials undergoes rigorous analytical testing to ensure consistency and performance. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and key electronic property screenings. Our quality management system is designed to support advanced materials research and pilot-scale production, with specifications tailored to meet the stringent requirements of the optoelectronics industry.

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 light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain purity and electronic performance.

Specification

Item	Specification
Appearance	Dark solid
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 98.0%
Major Single Impurity (HPLC)	≤ 1.0%
Residual Solvents (GC)	Meet ICH guidelines
Moisture Content (KF)	≤ 0.5%

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