Hole transport material for regular (n‑i‑p) perovskite solar cells
Hole transport material for inverted (p‑i‑n) perovskite solar cells
Spirokite is a registered trademark of NIPPON FINE CHEMICAL CO., LTD.
（JAPAN TM Reg. No. 4659576）
| Product name | Spirokite™-NS | Spirokite™-TTB【Prototype】 |
|---|---|---|
| Chemical name | 2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene | 2,2’,7,7’- Tetrakis[N,N’-di-p-methylphenylamino]-9,9’-spirobifluorene |
| Molecular formula | C81H68N4O8 | C81H68N4 |
| Molecular weight | 1225.43 | 1097.46 |
| Applications / Features | It is widely used as a hole transport material for perovskite solar cells. It is primarily employed in regular(n‑i‑p) perovskite architectures and is well suited to solution processing. | It is primarily employed as a hole transport material for inverted (p‑i‑n) perovskite solar cells and perovskite/silicon tandem solar cells, and is suitable for both solution processing and vacuum deposition. |
| Product name | Spirokite™-NS | Spirokite™-TTB【Prototype】 |
|---|---|---|
| Appearance | White or pale yellow crystals | pale yellow powder |
| Purity | ≧99.9%（HPLC） | ≧99.0%（HPLC） |
| Tg（DSC） | 125℃ | 149℃ |
| melting point（DSC） | 251℃ | 290℃ |
Not guaranteed value.
