Thieno[3,2-b]thiophene

Thieno[3,2-b]thiophene Basic information
General description Application Classification preparation
Product Name:Thieno[3,2-b]thiophene
Synonyms:THIENO[3,2-B]THIOPHENE;1,4-DITHIAPENTALENE;1,4-THIOPHTHENE;1,4-Dithiapentalene 1,4-Thiophthene;BUTTPARK 145\50-51;4-Dithiapentalene 1,4-Thiophthene;Thieno[3,2-b]thiophen;Thieno[3,2-b]thiophene 1,4-Dithiapentalene
CAS:251-41-2
MF:C6H4S2
MW:140.23
EINECS:
Product Categories:Heterocycle-oher series;Electronic Chemicals;Fused Ring Systems;BB16014
Mol File:251-41-2.mol
Thieno[3,2-b]thiophene Structure
Thieno[3,2-b]thiophene Chemical Properties
Melting point 56 °C
Boiling point 71 °C / 1mmHg
density 1.367±0.06 g/cm3(Predicted)
Fp 98℃
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility soluble in Methanol
form powder to crystal
NIST Chemistry ReferenceThieno[3,2-b]thiophene(251-41-2)
color White crystals
Safety Information
Hazard Codes Xn
Risk Statements 22-36/37/38
Safety Statements 26-36/37
RIDADR UN 3335
WGK Germany 3
Hazard Note Harmful
HS Code 29309090
MSDS Information
Thieno[3,2-b]thiophene Usage And Synthesis
General description

Thieno(3,2-b)thiophene (TT) is an electron rich conjugated polymer that has a quinoidal structure with a narrow band gap. It facilitates a strong intermolecular networking.

Application

Thieno[3,2-b]thiophene may be used as conjugated side chains in the synthesis of donor-acceptor copolymers. It finds potential applications in the enhancement of power conversion efficiency (PCE) for organic solar cells.

Classification

Thiophene, Fused thiophene, Dithiapentalene, Heterocylic aromatics, Five-membered ring, Semiconductor synthesis intermediates, Low band gap polymers OFETs, Organic Photovoltaics, Polymer solar cells

preparation

Thieno[3,2-b]thiophene, also known as thienothiophene (TT), is a heterocyclic compound. It belongs to the family of fused thiopehenes and is widely used as an intermediate for the synthesis of small molecules and polymers in the application of organic field-effect transistors (OFETs) and organic photovoltaic devices (OPV).
Fused thiophenes are more electron-rich and more structurally rigid, with extended π-conjugation so they are good candidates for adjusting the band gap of the organic polymer semiconducting materials, i.e. Poly[2,5-bis(3-hexadecylthiophen-2-yl)thieno[3,2-b]thiophene] (also known as PBTTT).
251-41-2 synthesis

DescriptionThieno[3,2-b]thiophene, also known as thienothiophene (TT), is a heterocyclic compound. It belongs to the family of fused thiopehenes and is widely used as an intermediate for the synthesis of small molecules and polymers in the application of organic field-effect transistors (OFETs) and organic photovoltaic devices (OPV).
Chemical PropertiesWhite to yellow Solid
UsesTT may be used as conjugated side chains in the synthesis of donor-acceptor copolymers. It finds potential applications in the enhancement of power conversion efficiency (PCE) for organic solar cells.
General DescriptionThieno(3,2-b)thiophene (TT) is an electron rich conjugated polymer that has a quinoidal structure with a narrow band gap. It facilitates a strong intermolecular networking.
Thieno[3,2-b]thiophene-2-carboxaldehyde N,N-DIETHYLTHIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXAMIDE 4-(THIENO[3,2-B][1]BENZOTHIEN-2-YLCARBONYL)MORPHOLINE 3,6-Dimethylthieno[3.2-b]thiophene THIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXYLIC ACID N-(2,5-DIMETHYLPHENYL)THIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXAMIDE DIBENZOTHIENO[3,2-B]-THIOPHENE methyl thieno[3,2-b]thiophene-2-carboxylate,methyl thieno[3,2-b]thiophene-2-carboxylate Thifensulfuron Thiophene POLYTHIOPHENE Dibenzothiophene Thifensulfuron methyl DITHIENO[2,3-B:2',3'-D]THIOPHENE 3-Sulfonyl amino-2-thiophene Thieno[3,2-b]thiophene Tetrahydrothiophene Cephalothin sodium

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