Description

Thieno[2',3':4,5]Thieno[3,2-B]Thieno[2,3-D]Thiophene is a high-purity, fused heteroaromatic compound characterized by its extended π-conjugated system. This specialized organic semiconductor material is crucial for developing advanced electronic and optoelectronic devices due to its excellent charge transport properties. It is primarily sought by researchers and manufacturers in the fields of organic electronics, photovoltaics, and materials science for applications requiring high-performance p-type semiconductors.

Application

• Organic Field-Effect Transistors (OFETs): As a core p-type semiconductor material for high-mobility electronic components.
• Organic Photovoltaics (OPVs): Used as an electron donor material in the active layer of solar cells.
• Organic Light-Emitting Diodes (OLEDs): Employed in hole transport layers or as an emissive material for displays and lighting.
• Chemical Sensors: Serves as a sensitive layer in chemiresistive and electrochemical sensors due to its tunable electronic properties.
• Advanced Material Research: A key building block for synthesizing novel conjugated polymers and small molecules for electronic applications.
• Photoconductors: Used in the development of materials for photocopiers, laser printers, and imaging devices.

Basic Information

Product Name	Thieno[2',3':4,5]Thieno[3,2-B]Thieno[2,3-D]Thiophene
CAS No.	124796-78-7
Molecular Formula	C12H4S4
Molecular Weight	276.42 g/mol
Synonyms	Dithieno[2,3-d:2',3'-d']benzo[1,2-b:4,5-b']dithiophene; DTBDT; Thieno[2',3':4,5]thieno[3,2-b]thieno[2,3-d]thiophene; Benzo[1,2-b:4,5-b']bis[1]benzothieno[3,2-d]thiophene; 2,7-Diphenylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (incorrect but sometimes associated); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Thieno[2',3':4,5]Thieno[3,2-B]Thieno[2,3-D]Thiophene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for reproducible research and device performance. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Our quality systems are designed to support R&D and pilot-scale production with material traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive (store away from light) and should be handled under an inert atmosphere when possible to prevent oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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