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2,6-Bis(trimethytin)-4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene, or BDTT for short (CAS number 1352642-37-5), has been used for the synthesis of small molecules and low band gap polymer semiconductors such as PTB7, PCE10 and PBDB-T (PCE12) for OFETs, OLED, PLED, OPV applications.
Bearing two ethylhexyl alkyl side chains, with fused thiophenes and thiophenes as electron-rich pendants, 2,6-bis(trimethytin)-4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene offers good solubility for synthesis of polymer chains.
This monomer has been used in our own lab for the synthesis of PCE10 and PBDB-T (PCE12).
| CAS Number | 1352642-37-5 |
| Chemical Formula | C40H58S4Sn2 |
| Molecular Weight | 904.57 g/mol |
| Synonyms | BDT, BDTT |
| 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 |
![1352642-37-5, BDTT, chemical structure 2,6-Bis(trimethytin)-4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene](https://www.ossila.com/cdn/shop/files/BDTT-chemical-structure-body.png?v=1718798557)
| Purity | >98% (1H NMR) |
| Melting Point | N/A |
| Appearance | Light yellow crystals |
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