1237479-38-7

Basic information

• Product Name: 2-Ethylhexyl-4,6-dibroMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate
• Synonyms: 2-Ethylhexyl-4,6-dibroMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate;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]] PTB7;2-Ethylhexyl 4,6-Dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate
• CAS NO: 1237479-38-7
• Molecular Formula: C₁₅H₁₇Br₂FO₂S₂
• Molecular Weight: 473.2386232
• Mol File: 1237479-38-7.mol
• Article Data: 1

Chemical Properties

• Melting Point: 37.0 to 41.0 °C
• Boiling Point: 481.0±45.0 °C(Predicted)
• Appearance: /
• Density: 1.612±0.06 g/cm3(Predicted)
• CAS DataBase Reference: 2-Ethylhexyl-4,6-dibroMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Ethylhexyl-4,6-dibroMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate(1237479-38-7)
• EPA Substance Registry System: 2-Ethylhexyl-4,6-dibroMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate(1237479-38-7)

Safety Data

• Hazardous Substances Data: 1237479-38-7(Hazardous Substances Data)

Usage

Description

2-Ethylhexyl-4,6-dibromoMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate, commonly referred to as TTF, is a chemical compound that has been widely utilized in the synthesis of low band gap polymer semiconductors. These polymers are essential in the development of various electronic applications, including organic field-effect transistors (OFETs), organic light-emitting diodes (OLEDs), polymer light-emitting diodes (PLEDs), and organic photovoltaics (OPVs). TTF's unique molecular structure and properties make it a valuable component in the advancement of these technologies.

Uses

Used in Electronics Industry:
2-Ethylhexyl-4,6-dibromoMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate is used as a key component in the synthesis of low band gap polymers for the fabrication of organic field-effect transistors (OFETs). Its application in this area is due to its ability to enhance the performance and efficiency of these transistors, making them more suitable for a range of electronic devices.
Used in Solar Cell Industry:
TTF is also used in the synthesis of narrow band-gap polymers like PBDTT-OS-TT-EF (1.52 eV) and PBDTT-OS-TT-CF (1.56 eV) for polymeric solar cells. These polymers are crucial in improving the efficiency of solar cells by allowing for better absorption of sunlight and increased energy conversion.
Used in Display Technology:
In the display technology industry, 2-Ethylhexyl-4,6-dibromoMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate is used as a component in the synthesis of polymers for organic light-emitting diodes (OLEDs) and polymer light-emitting diodes (PLEDs). Its incorporation into these devices contributes to their improved performance, including enhanced brightness, color quality, and energy efficiency.
Used in Photovoltaic Applications:
TTF is also utilized in the development of organic photovoltaics (OPVs), where it plays a significant role in the synthesis of low band gap polymer semiconductors. These polymers are essential in increasing the efficiency of solar panels by enabling better absorption of sunlight and improved energy conversion rates.

Upstream product

• 26137-08-6 methyl 3-bromothiophene-2-carboxylate 
• 7311-64-0 3-bromothiophene-2-carboxylic acid 
• 1160823-72-2 3-fluoro-4,6-dihydro-3,4-thieno[b]thiophene-2-carboxylic acid 

Relevant articles and documents

Synthesis of photovoltaic conjugated polymers

A method of making a fluorothieno[3,4-b]thiophene derivatives and photovoltaic polymers containing same using 3-bromothiophene-2-carboxylic acid as a starting material. This synthetic route provides an easier synthesis as well as greater yield and a purer product, which produces superior results over the prior art less pure products. The resulting materials can be used in a variety of photovoltaic applications and devices, especially solar cells.