Description

4,8-Bis((2-Ethylhexyl)Thieno[3,2-B]Thiophene)-Benzo[1,2-B:4,5-B']Dithiophene is a high-performance conjugated organic semiconductor material. This compound matters for its exceptional charge-carrier mobility and tunable optoelectronic properties, which are critical for advanced electronic device performance. It is primarily needed by manufacturers and R&D teams in the organic electronics sector, particularly for developing next-generation organic photovoltaics (OPVs) and organic field-effect transistors (OFETs).

Application

• As a p-type semiconductor material in the active layer of organic solar cells (OSCs).
• As a key electron-donor polymer building block for high-efficiency photovoltaic devices.
• In the research and development of organic field-effect transistors (OFETs) and flexible electronics.
• As a hole-transport material (HTM) in perovskite solar cells and other optoelectronic devices.
• For synthesizing conjugated polymers and small molecules with tailored bandgaps for light absorption.
• In advanced material science research focused on improving charge transport and device stability.

Basic Information

Product Name	4,8-Bis((2-Ethylhexyl)Thieno[3,2-B]Thiophene)-Benzo[1,2-B:4,5-B']Dithiophene
CAS No.	1494614-30-0
Molecular Formula	C42H54S6
Molecular Weight	743.23 g/mol
Synonyms	BDT-TT; BDT(EH)TT; Benzo[1,2-b:4,5-b']dithiophene-4,8-diylbis(thieno[3,2-b]thiophene-2,5-diyl))bis(2-ethylhexane); 4,8-Bis(5-(2-ethylhexyl)thieno[3,2-b]thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene; BDT-TT Donor Unit; PBDTTT Polymer Monomer; Organic Semiconductor Monomer BDT-TT
EINECS	Contact for details

Quality Control

Our high-purity organic electronic materials are produced under strict quality control protocols to ensure batch-to-batch consistency and optimal device performance. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment to support your R&D and manufacturing quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain purity and performance.

Specification

Item	Specification
Appearance	Dark solid
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 98.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
Residual Solvents (GC)	Meets ICH guidelines
Elemental Analysis	Conforms to theoretical values

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