Ossila M572 is methylammonium bromide (MABr), also called methylamine hydrobromide, supplied at 99.995% purity as white crystals or powder. It serves as a precursor salt for making organic-inorganic hybrid perovskites for photovoltaic devices, light-emitting diodes and field-effect transistors.
MABr is the organic source used to form MAPbBr3 perovskite, which has a band gap of 2.3 eV. Because of this wider gap, MAPbBr3 is used to tune the band gap of mixed-halide MAPbX3 perovskites, to absorb high-energy photons, and as the front cell in tandem devices. Compared with its iodide counterpart, it can deliver a higher open-circuit voltage in perovskite solar cells; pure MAPbBr3 cells with a VOC of up to 1.40 V and a fill factor of 79% have been reported.
MAPbBr3 nanoplatelets have also been shown to work in LEDs, giving bright, narrow-band photoluminescence at 529 nm with quantum yields up to 85%. The material has a CAS number of 6876-37-5, a molecular weight of 111.97 g/mol and a melting point of 296 °C.
- Synthesis of MAPbBr3 and other organic-inorganic hybrid perovskites.
- Band gap tuning of mixed-halide MAPbX3 perovskite films.
- Fabrication of perovskite solar cells, including front cells in tandem architectures.
- Preparation of perovskite nanoplatelets for light-emitting diodes.
- Research on perovskite-based field-effect transistors.
| Brand | Ossila |
|---|---|
| CAS number | 6876-37-5 |
| Molecular formula | CH6BrN |
| Purity | 99.995% (M572) |
| Category | — |
| Pack sizes | 10 g, 25 g |
| Physical form | White crystals/powder |
| Storage | — |
- Product code: M572
- Molecular weight: 111.97 g/mol
- Synonyms: MABr, Methylamine hydrobromide
- Melting point: 296 °C
- Classification / Family: Organic photovoltaics, Light-emitting diodes, Perovskite precursor materials
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