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Home > Product > Material & Chemicals > Organic & Printed Electronics > 2,6-Dibromodithieno[3,2-b:2,3-d]thiophene

2,6-Dibromodithieno[3,2-b:2,3-d]thiophene | CAS Number: 67061-69-2

Catalog Number
ACM67061692
Product Name
2,6-Dibromodithieno[3,2-b:2,3-d]thiophene
Structure
CAS Number
67061-69-2
IUPAC Name
2,6-dibromodithieno[2,3-a:2',3'-d]thiophene
Synonyms
2,6-Dibromodithieno[3,2-b:2,3-d]thiophene;2,6-DibroMo-dithieno[3,2-b
Molecular Weight
354.104480 [g/mol]
Exact Mass
351.76900
Molecular Formula
C8H2Br2S3
Boiling Point
447.9ºC at 760 mmHg
Flash Point
224.7ºC
Density
2.234g/cm3
Purity
>98.0%(GC)
SMILES
C1=C(SC2=C1SC3=C2SC(=C3)Br)Br
InChIKey
UTKPZZGBROTDKR-UHFFFAOYSA-N
H-Bond Donor
0
H-Bond Acceptor
3
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1Dithienothiophene (DTT)-based dyes for dye-sensitized solar cells: synthesis of 2,6-dibromo-DTT.

Kwon TH1, Armel V, Nattestad A, Macfarlane DR, Bach U, Lind SJ, Gordon KC, Tang W, Jones DJ, Holmes AB.

J Org Chem. 2011 May 20;76(10):4088-93. doi: 10.1021/jo2001484. Epub 2011 Apr 26.

A one-pot synthesis of 2,6-dibromodithieno[3,2-b;2',3'-d]thiophene (dibromo-DTT, 4) was developed. A key step was bromodecarboxylation of DTT-2,6-dicarboxylic acid, obtained by saponification of the diester 1. The donor-acceptor dye DAHTDTT (13), based on a central 2,6-bis[2'-(3'-hexylthienyl)]dithieno[3,2-b;2',3'-d]thiophene core (9), was prepared and incorporated in a dye-sensitized solar cell (DSC), which exhibited an energy conversion efficiency of 7.3% with V(oc) of 697 mV, J(sc) of 14.4 mA/cm(2), and ff of 0.73 at 1 sun.

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