Spiro-MeOTAD [Spirokite-NS] is widely used as an organic p-type semiconductor material for perovskite solar cells and dye-sensitized solar cells [DSSC].
Spirokite is a registered trademark of NIPPON FINE CHEMICAL CO., LTD.
（JAPAN TM Reg. No. 4659576）
| Chemical name | 2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene |
|---|---|
| CAS number | 207739-72-8 |
| Molecular formula | C81H68N4O8 |
| Molecular weight | 1225.43 g/㏖ |
| Appearance | White or pale yellow crystals |
|---|---|
| Purity | ≧99.9%（HPLC） |
| Loss on drying | ≦0.1% |
| Tg（DSC） | 125℃ |
| melting point（DSC） | 251℃ |
| Energy level | HOMO：-4.81 eV、LUMO：-1.85 eV |
Not guaranteed value.
| Power Conversion Efficiency (PCE) | 16.7% |
|---|---|
| Current Density: Jsc | 21.2 mA/㎠ |
| Open-circuit Voltage: Voc | 1.06V |
| Fill Factor (FF) | 0.74 |
Device architectures(FTO/cTiO2/mesoTiO2/MAPbI3/Spirokite-NS/Au)
Cell size 0.12㎠
The following pages provide an easy-to-understand explanation of perovskite solar cells, their role as a next-generation renewable energy source, and their current status and challenges, using figures and graphs.
