Pb₂Br₂F₂ is a mixed-halide lead compound in the perovskite or perovskite-related semiconductor family, currently of primary research interest rather than established industrial production. This material represents an experimental composition exploring how halide mixing (bromide and fluoride) affects electronic and optical properties in lead-based semiconductors, with potential relevance to optoelectronic and photovoltaic device development. The substitution of fluoride for some halide sites is investigated as a strategy to tune bandgap, improve stability, or enhance charge transport compared to single-halide lead compounds.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 49.30 | GPa | — | ||
Shear Modulus(G) | 20.28 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.945 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -1.785 | eV/atom | — |