| Identification | Back Directory | [Name]
dimethylammonium iodide | [CAS]
51066-74-1 | [Synonyms]
dimethylammonium iodide
Dimethylamine Hydroiodide
Methanamine, N-methyl-,hydriodide (9CI) | [EINECS(EC#)]
256-945-6 | [Molecular Formula]
C2H8IN | [MDL Number]
MFCD28100829 | [MOL File]
51066-74-1.mol | [Molecular Weight]
172.996 |
| Chemical Properties | Back Directory | [Melting point ]
153.0 to 157.0 °C | [Water Solubility ]
Soluble in water | [form ]
powder | [InChI]
1S/C2H7N.HI/c1-3-2;/h3H,1-2H3;1H | [InChIKey]
JMXLWMIFDJCGBV-UHFFFAOYSA-N | [SMILES]
CNC.I | [color ]
Powder/crystals |
| Hazard Information | Back Directory | [Description]
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 .?DMAPbI3 has a relatively large?optical gap (Eg ～ 2.59 eV), indicating the conductivity of such material is ionic, instead of being electronic. | [Uses]
The iodide and bromide based alkylated halides find applications as precursors for fabrication of perovskites for photovoltaic applications. |
| Questions And Answer | Back Directory | [Applications]
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. 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.
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