2,6-bis(trimethytin)-4,8-bis(5-(2-ethylhexyl)-4-fluorothiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene (BDTTDFSn) is an electron-rich building block used for the synthesis of either small molecular donors or low band-gap polymer semiconductors (like PBDB-T-F) for highly-efficient OSCs and OPV applications.
Bearing two ethylhexyl side chains, with fused benzodithiophenes and thiophenes as electron-rich pendants, BDTTDFSn offers good solubility for the targeted materials. The introduction of the fluoro atoms on the side thiophene rings can also lower the HOMO/LUMO energy levels of the desired polymers.
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|Molecular weight||940.55 g/mol|
|Classification / Family||Thiophene, Fused thiophene, Benzo-dithiophene heterocylic aromatics, Five-membered ring, Semiconductor synthesis intermediates, Low band-gap polymers, OFETs, Organic photovoltaics, Polymer solar cells|
|Purity||>98% (by 1H-NMR)|
|Appearance||Light yellow crystals|
Literature and Reviews
- Over 14% Efficiency in Polymer Solar Cells Enabled by a Chlorinated Polymer Donor, S. Zhang et al., Adv.Mater., 30, 1800868 (2018); DOI: 10.1002/adma.201800868.
- Design of a New Small‐Molecule Electron Acceptor Enables Efficient Polymer Solar Cells with High Fill Factor, S. Li et al., Adv.Mater., 29, 1704051 (2017); DOI: 10.1002/adma.201704051.
- A High-Efficiency Organic Solar Cell Enabled by the Strong Intramolecular Electron Push–Pull Effect of the Nonfullerene Acceptor, W. Li et al., Adv.Mater., 30, 1707170 (2017); DOI: 10.1002/adma.201707170.
To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.