PBDB-T-2F (PM6)
PBDB-T-2F (CAS number 1802013-83-7) is a PBDB-T family member and, like others, has a high OPV device performance. Polymer solar cells with PBDB-T-2F as the donor and ITIC-2F as the acceptor have achieved a power conversion efficiency (PCE) of over 13%.
By introducing two fluorine atoms to each thiophene unit of the benzodithiophene (BDT) side chains in PBDB-T, the HOMO/LUMO energy levels are pulled. Complete phase separation is observed in the PBDB-T-2F:ITIC-2F blend due to the distinct surface tension difference between PBDB-T-2F and ITIC-2F, resulting in a high domain purity in the blend.
A certified efficiency of 14.9% has been demonstrated using PBDB-T-2F (PM6) as the electron donor and Y6 as an acceptor in a single junction non-fullerene polymer solar cell (NF-PSC) [2].
| Full name | Poly[(2,6-(4,8-bis(5-(2-ethylhexyl-3-fluoro)thiophen-2-yl)-benzo[1,2-b:4,5-b’]dithiophene))-alt-(5,5-(1’,3’-di-2-thienyl-5’,7’-bis(2-ethylhexyl)benzo[1’,2’-c:4’,5’-c’]dithiophene-4,8-dione)] |
| Synonyms | PBDB-T-F, PBDB-TF, PM6 |
| Chemical formula | (C68H76F2O2S8)n |
| CAS number | 1802013-83-7 |
| HOMO / LUMO | HOMO = -5.45 eV, LUMO = -3.65 eV [1] |
| Processing solvents | o-xylene, chloroform, chlorobenzene and dichlorobenzene |
| Classification / Family | Organic semiconducting materials, Medium bandgap polymers, Organic photovoltaics, Polymer solar cells, Perovskite solar cells, Hole-transport layer materials, NF-PSCs, All-polymer solar cells (all-PSCs). |
| Product Code | Soluble solvents | Recommended Processing Solvents at 10mg/ml |
| M2150A4 |
Chloroform, chlorobenzene and dichlorobenzene |
Chlorobenzene |
| M2150A5 |
Chlorobenzene and dichlorobenzene |
Dichlorobenzene |
| M2150A7 | Chloroform, chlorobenzene and dichlorobenzene |
Dichlorobenzene or Chlorobenzene : dichlorobenzene (v/v = 1:1) |
|
M2150A8/9/10
|
o-Xylene, chloroform, chlorobenzene and dichlorobenzene |
o-Xylene (8 mg/ml), chloroform, chlorobenzene |
| M2150A11/12 |
Chloroform, chlorobenzene and dichlorobenzene |
Chloroform, chlorobenzene |
View more Technical Data
Chemical structure of PBDB-T-2F, CAS No. 2239295-71-5
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