702668
Thieno[3,2-b]thiophene
95%
Synonym(s):
1,4-Dithiapentalene, 1,4-Thiophthene
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About This Item
Empirical Formula (Hill Notation):
C6H4S2
CAS Number:
Molecular Weight:
140.23
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
MDL number:
Assay:
95%
Form:
solid
Product Name
Thieno[3,2-b]thiophene, 95%
InChI
1S/C6H4S2/c1-3-7-6-2-4-8-5(1)6/h1-4H
SMILES string
c1cc2sccc2s1
InChI key
VJYJJHQEVLEOFL-UHFFFAOYSA-N
assay
95%
form
solid
mp
53-58 °C
Quality Level
Related Categories
Application
TT 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 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.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
210.0 °F
flash_point_c
98.9 °C
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Andrei Chernyshev et al.
Polymers, 13(3) (2021-01-28)
Four new bis(tpy) unimers with different linkers between the thieno[3,2-b]thiophene-2,5-diyl central unit and terpyridine-4'-yl (tpy) end-groups: no linker (Tt), ethynediyl (TtE), 1,4-phenylene (TtPh) and 2,2'-bithophene-5,5'-diyl (TtB) are prepared, characterized, and assembled with Fe2+ ions to metallo-supramolecular polymers (Fe-MSPs). The Fe-MSP
Synthesis and photovoltaic properties of 2D-conjugated polymers with alkylsilyl-substituted thieno (3, 2-b) thiophene conjugated side chains
Yan T, et al.
Organic Electronics, 57(41), 255-262 (2018)
A fused thieno (3, 2-b) thiophene-dithiophene based donor molecule for organic photovoltaics: a structural comparative study with indacenodithiophene
Abe Y, et al.
Journal of Material Chemistry C, 4(41), 9656-9663 (2016)
A solution-processed high performance organic solar cell using a small molecule with the thieno (3, 2-b) thiophene central unit
Zhang, Q, et al.
Chemical Communications (Cambridge, England), 51(83), 15268-15271 (2015)
Hocheon Yoo et al.
Nature communications, 10(1), 2424-2424 (2019-06-05)
Multilevel metal interconnects are crucial for the development of large-scale organic integrated circuits. In particular, three-dimensional integrated circuits require a large number of vertical interconnects between layers. Here, we present a novel multilevel metal interconnect scheme that involves solvent-free patterning
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