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Product Code B421-500mg
Price £310 ex. VAT

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FBTA-HD, 4,7-bis(5-bromothiophen-2-yl)-5,6-difluoro-2-(2-hexyldecyl)-2H-benzo[d][1,2,3]triazole (CAS number 1887135-96-7) is an electron-deficient building block for the synthesis of medium band-gap polymer semiconductors, such as J71, in the application of OPV devices.

Capped with bromide

Capped with bromide

For facil coupling reactions

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Fluorinated building block

Benzotriazole building block

For semiconductors, OFETs, and solar cells

High purity 1887135-96-7

High purity

>98% High purity

General Information

CAS Number 1887135-96-7
Chemical Formula C30H37Br2F2N3S2
Molecular Weight 701.57 g/mol
Synonyms 4,7-bis(5-bromothiophen-2-yl)-5,6-difluoro-2-(2-hexyldecyl)-2H-benzo[d][1,2,3]triazole, DFBTA-2ThBr-HD
Classification / Family Thiophene, Heterocyclic five-membered ring, Organic semiconducting materials, Semiconductor Synthesis, Low band-gap polymers, OFETs, OLED, Organic Photovoltaics, Polymer Solar Cells

Chemical Structure

FBTA-HD, 1887135-96-7, 4,7-bis(5-bromothiophen-2-yl)-5,6-difluoro-2-(2-hexyldecyl)-2H-benzo[d][1,2,3]triazole
Chemical structure of FBTA-HD, CAS 1887135-96-7

Product Details

Purity >98%
Melting Point N/A
Appearance Yellow powder/crystals

MSDS Documentation

DFBTA-2ThBr-HD MSDSDFBTA-2ThBr-HD MSDS Sheet

Literature and Reviews

  1. Conjugated Side-Chain-Isolated D–A Copolymers Based on Benzo[1,2-b:4,5-b′]dithiophene-alt-dithienylbenzotriazole: Synthesis and Photovoltaic Properties, J. Min et al., Chem. Mater., 24 (16), 3247–3254 (2012); DOI: 10.1021/cm3017006.
  2. 11.4% Efficiency non-fullerene polymer solar cells with trialkylsilyl substituted 2D-conjugated polymer as donor, H. Bin et al., Nat. Commun., 7:13651 (2016); DOI: 10.1038/ncomms13651.
  3. Non-Fullerene Polymer Solar Cells Based on Alkylthio and Fluorine Substituted 2D-Conjugated Polymers Reach 9.5% Efficiency, H. Bin et al., J. Am. Chem. Soc., 2016, 138 (13), 4657–4664 (2016); DOI: 10.1021/jacs.6b01744
  4. Side-chain engineering for efficient non-fullerene polymer solar cells based on a wide-bandgap polymer donor, Q. Fan et al., J. Mater. Chem. A, 5, 9204-9209 (2017); DIO: 10.1039/C7TA02075A.
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