CAS Number 359415-47-7
N749, [(C4H9)4N]3[Ru(Htcterpy)(NCS)3], also referred to as "black dye", was developed for the widest range spectral sensitisation of wide band-gap oxide semiconductors (like titanium dioxide up to wavelengths beyond 800nm). N749 black dye is a ruthenium complex, in which the ruthenium center contains one terpyridine ligand substituted with three carboxyl groups and three thiocyanato ligands
Despite its lower absorption extinction coefficient, a certified conversion efficiency of 11.1 % was achieved by employing a high-haze TiO2 electrode.
| Full name | Tris(N,N,N-tributyl-1-butanaminium)[[2,2′′6′,2′′-terpyridine]-4,4′,4′′-tricarboxylato(3-)-N1,N1′,N1′′]tris(thiocyanato-N)hydrogen ruthenate |
| Synonyms |
|
| Chemical formula | C69H117N9O6RuS3 |
| Molecular weight | 1365.98 |
| CAS number | 359415-47-7 |
| HOMO / LUMO | HOMO = -5.2 eV, LUMO = -3.8 eV |
| Solubility | Ethanol or acetonitrile/tert-butanol (v/v = 1) |
| Classification / Family | Transition metal complex, Ruthenium complex, Bipyridyl ligands, Energy materials, Dye-sensitized solar cells (DSSC) materials, Donor materials, OPV materials. |
Chemical structure of N749 Black Dye; Chemical formula: C69H117N9O6RuS3
| Purity | >95% |
| Melting point | No data available |
| Appearance | Dark green powder |
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