Materials, Organic Conductors, Semiconducting Molecules, Small Molecule OPV Donors
A D-A-D type of low band-gap, small-molecule donor, DTS(FBTTh2)2, CAS number 1402460-84-7, is a semiconducting material for solution-processed bulk heterojunction (BHJ) highly-efficient solar cells.
Studies have shown that the addition of DIO (diiodooctane) to the donor/acceptor blend or thermal annealing treatment can significantly enhance the crystallinity of the device film, thus enabling higher device performances to be achieved [2].
| Full name | 7,7′-[4,4-Bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b′]dithiophene-2,6-diyl]bis[6-fluoro-4-(5′-hexyl-[2,2′-bithiophen]-5-yl)benzo[c][1,2,5]thiadiazole] |
| Purity | >98.0% (by 1H NMR) |
| Synonyms | F-DTS, p-DTS(FBTTh2)2 |
| Chemical formula | C64H72F2N4S8Si |
| Molecular weight | 1219.89 g/mol |
| CAS number | 1402460-84-7 |
| HOMO / LUMO | HOMO = -5.12 eV LUMO = -3.34 eV [1] |
| Solubility/processing solvents | Chloroform, chlorobenzene |
| Classification / Family | Heterocyclic five-membered ring, Organic semiconducting materials, Organic photovoltaics, Small molecule donor, SM-OPVs |
Chemical structure of DTS(FBTTh2)2
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