CAS Number 51066-74-1
Dimethylammonium iodide (DMAI) is the precursor for the DMAPbI3 2H-perovskite structure. Unlike its MAPbI3 analogue, it is stable under ambient conditions for several months [1]. DMAPbI3 has a relatively large optical gap (Eg ∼ 2.59 eV), indicating the conductivity of such material is ionic, instead of being electronic.
Like other alkylammonium halides, dimethylammonium iodide is also used as an additive to adjust the structures of the perovskites to achieve desired physical properties.
| CAS number | 51066-74-1 |
| Chemical formula | C2H8IN |
| Molecular weight | 173.0 g/mol |
| Synonyms | Dimethylamine hydroiodide, N-Methylmethanaminium iodide, DMAI |
| Classification / Family | Alkylammonium halides, Perovskite precursor materials, Perovskite solar cells, Perovskite LEDs |
| Purity | >99.5% |
| Melting point | 153.85 °C |
| Colour | Powder/crystals |
Chemical structure of Dimethylammonium iodide; CAS No. 51066-74-1专业代理国外知名镊子品牌
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