CAS Number 215611-93-1
Paired with HATCN to improve device performance, Pyrazino[2,3-f][1,10]phenanthroline-2,3-dicarbonitrile, CAS No. 215611-93-1, Sublimed ≥99.0%
PPDN has a chemical structure of phenanthroline in conjugation with dicarbonitrile-substituted pyrazine. As PPDN is electron-deficient, it can be used as an electron-transport layer (ETL) or hole-injection layer (HIL) material in organic electronic devices.
PPDN can be used as an additive to prevent HATCN crystallisation while it is solution processed. Films prepared from a mixture of PPDN and HATCN have been shown to have a transparent appearance. Furthermore, devices using HATCN and PPDN together showed a lower driving voltage and higher luminescence efficiency when compared to devices made using HATCN alone.
| CAS number | 215611-93-1 |
|---|---|
| Full name | Pyrazino[2,3-f][1,10]phenanthroline-2,3-dicarbonitrile |
| Chemical formula | C16H6N6 |
| Molecular weight | 282.26 g/mol |
| Absorption | λmax 307 nm in DCM |
| Fluorescence | λmax 487 nm in DCM |
| HOMO/LUMO | HOMO = 7.47 eV, LUMO = 3.41 eV (DFT) |
| Classification / Family | Electron transport layer (ETL) materials, Hole injection layer (HIL) materials, Sublimed materials, Organic electronics. |
| Purity | Sublimed >99% (HPLC) |
|---|---|
| Melting point | TGA: > 270 °C (0.5% weight loss) |
| Appearance | White crystals/powder |
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